A Secret Code in Credit Card Numbers
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- čas přidán 10. 09. 2024
- There's a hidden mathematical pattern in your credit card (also works for debit cards or ATM cards). In this video I will teach you a mathematical magic trick based on the pattern.
Secret code in book barcodes
• SHHH! A Secret Code In...
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Hey, so book barcodes also have a secret code too! They are easier, you can even do in your head. Check out my new video: czcams.com/video/WTzyd3e107Q/video.html
so i have new mathematical problem.... how much credit cards can exist?
I got all the tricks you showed me but how am I supposed to put it in order
I did the credit card number thing in my head you heathen
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MindYourDecisions wow
I came for money not math class
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i was expecting some crazy ass illuminati secret message but no, you get a number with 0. wow
ikr?
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@@TommyleeATGMAILDOTcom-ws3wg nah I'm not a scumbag
Hey pickle!!
YES TRUE!!! I am a math teacher and went over this again and again with four different 16-digit credit cards, 3 Visas and a Discover. All are US bank cards. Only one of my Visa cards worked. And I double- and triple- checked. I got all excited to show this to my kids in class... what a bummer it does work (!).
Just a pet peeve on notation: At 1:07, Presh writes the mathematical equivalent of a run-on sentence. Everything was fine up to that point...1+3+5+7+8+0+0+0 does, in fact, equal 24. But then he multiplies by 2 to get 48. The resulting chain of equalities says 1+3+5+7+8+0+0+0 = 24(2) = 48 or 24 = 48. Seems like a small thing, but I see this trip students up all the time.
10 year old should now that...
The only zero I got was my account balance. :(
As much as that!
0 bone head
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@@TommyleeATGMAILDOTcom-ws3wg He real? I will try.
@@TommyleeATGMAILDOTcom-ws3wg I sent an email.
Actually, it means that there no 2 cards with neighbor numbers. Moreover, all valid card numbers differ in 2 or more digits. So, when your are going to make transaction, if you make a mistake in 1 digit - nothing bad happen, because this card number does not exist. But if you make a mistake in 2+ digits, there is only 10% chance that it is a valid card number.
The 16th digit, called the "check digit", is a calculation based on the first 15 digits. There's some funky arithmetic and modulus division (by 11) used to determine it. I didn't know about this video's method of verification - cool. By the way, it only catches single-digit errors (i.e. one can have two errors and pass the test, where one error happens to "offset" the other).
This is what is called a "Check Sum" or a " Check Sum Digit" and it is exactly what you said it was, a way for the computer to know if the numbers were entered correctly. However, not all credit card numbers will have a Check Sum of "0". That would eliminate the vast majority of 16 digit numbers that could be used.
Hey man, just wanted to say Thank You for this tip, I used it in order to put a false credit card number on a hotel booking site (it's just in case of cancellation, I'll pay once I'm there, no worries) so I can both have the room saved and I don't need to be worried that the real number will reach the wrong hands :)
Cheers!
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NOT TRUE!!! I am a math teacher and went over this again and again with four different 16-digit credit cards, 3 Visas and a Discover. All are US bank cards. Only one of my Visa cards worked. And I double- and triple- checked. I got all excited to show this to my kids in class... what a bummer it doesn't work (!).
it worked for me
+Evans McGowan It should work for ALL Visa and Discover cards. I'm afraid you must be doing it wrong. See here they all use the Luhn algorithm: en.wikipedia.org/wiki/Bank_card_number
Nope, didn't work for mine either, 3 different cards... and like Evans, I have been trained in math and can follow instructions. Was wondering why he put two 8's in there...
+zander phelps I wish I could check with your number to see what's going wrong, but unfortunately giving your CC number to strangers on the internet is not well advised
+zander phelps Can you check the version of the algorithm listed here to see if it works? Maybe there's some subtle issue with the way it has been described in the video. en.wikipedia.org/wiki/Luhn_algorithm
There’s also a checksum code for the DEA Drug Enforcement Administration number on prescription pads, to deter faked prescriptions for addictive drugs. I never allowed my own DEA number to be printed on my prescription pads; I always called the pharmacy and explained that a deliberately incomplete prescription was being brought in and that it was legitimate. That protocol worked very well.
There's a flaw in the way you explained the doubling step. You're supposed to list the odd position digits (1st, 3rd, 5th, etc.), double them, add together any two-digit doubles, then add the even position digits (2nd, 4th, 6th, etc.) to those. You tried to simplify this step with the "add one for every digit of five or more" step, but it doesn't work consistently.
+batfan1939 Can you think of a simple example when this shortcut doesn't work?
+codebeard I tried the simplified version with my card number, and it didn't work. I found the full/regular version through Google, and that one worked fine. I got something like 37 following your video.
Batfan1939 for I
Batfan1939 b
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Another secret is the first number of a card is what brand it is.
4 is Visa
5 is MasterCard
3 is American Express
6 is Discover/Diners Club
The first 6 numbers on Visa and MasterCard are the institution that issued it.
you could then theoretically use this to reverse engineer a debit card or others to get free money
Greater than four
n>4
Tried it: Australia has 9 as the unit digit.
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Here's a guaranteed simple 4 step method:
• Drop the last digit from the number. The last digit is what we want to check against
• Reverse the numbers
• Multiply the digits in odd positions (1st, 3rd, 5th, etc.) by 2 and subtract 9 to all with a result higher than 9
• Add all the numbers(odd positioned results and untouched even positioned numbers) together
• The check digit (the last number of the card) is the amount that you would need to add to get a multiple of 10
Can I message u I'm a little confused
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this feels like something id study for my exam rather than studying the textbook...
I think the code in drivers license numbers are even cooler. Maybe not all states have them but I know WI, IL, and FL do. Your first, middle, & last initial are coded into the number...the last initial is obvious because it starts the whole DL#. And the numbers immediately after it are a code that gives you an idea to its pronunciation. The other initials are determined by a code that you can look up. The year of birth is in plain sight. And the month and day are a basic equation. So if the number was J300-7287-9338-10 you'd know the last name starts with J and they were born in 1979...the last # of the second sequence and the first # of the next is 7-9. And the 338 is September 18th...(month-1)*40 and then add the day which in the example is 18. Its possible for people to end up with the same number so the last 2 digits indicates the difference. So since its 10 you know there's at least 9 other people who have the same DL# and you were the 10th. The different states have different equations and codes so unless your DL is from WI this example I gave won't work.
rojoshow13
is this how you figure out the winning lottery numbers?
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Mobile money transfer
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now I know how to fake credit cards
how
Still need the first 4 digits to be correct, all companies have a pattern there.
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+Gerson Guevara Well, I don't give the cards for free!!
help me
In the second part...count the numbers 5 and greater....you DO NOT add these together, you just note how many numbers are 5 and greater!!! It really does work.
My last digit was 1
+Sective mine was 2
+xXGamer Plays121Xx #*70A4Q%20 Exactly. You are the best.
+Sective youre forgetting to double the first digit, i just tried it on three cards
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Nice lesson. Now tell me how I can financially take advantage of it lol.
This is mathemagical
John-Praise O. Peters 🖕
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That's it??? It goes nowhere and does nothing.... Great thanks .
+Kristi Morrison can I use $10 on it
Now who wants run a program to find out the quantity of numbers that abide by this rule, and calculate what percentage of 9999 9999 9999 9999 we actually can use?
Wait, but how many of the 9,999,999,999,999,999 possible numbers actually follow this rule?
Hmmm, so dubious odds for running a program to find a working card.
True :/ , but not all :3
+mountplusBladeequals Every 8th number is valid, so 9999 9999 9999 9999/8 = 1249999999999999,875
I actually made a program for that but it'll take around 100 000 years to complete :P
imgur. com/pC5KtTI
Well, that throws any and all credit card schemes out the window, but not not gonna lie, that's pretty insane =D
Wow no way, everyone should post theirs in comments and we can compare numbers!
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In the 1980s the formula was different. Every odd digit you added up, every even you you added up and doubled. It was improved because it was easy to type 123 instead of 321. I worked as a computer programmer and had to write a routine to validate Credit Card numbers.
Does the video talk about how to extract the 3-digit CVV number on the back of a credit card
All this is a consequence of the application of the Luhn algorithm to calculate the check digit.
Nope... tried it three times... *very carefully*, and did not come up with a 0.
is it 16 digit?
yup
Paste your credit card number here, so we all can check. :D
P.S. Does not work on my, too. Double checked and the double checked again. :(
Does work now. Had to double check the third time, too. :D
help me my dear
Thanks a lot bro .... Its was really helpful as I was in a little trouble in tearing back ...... Huuuuh.... finally saw ur video and succeeded just in a moment .......
I ve got 2 different credit cards ans didnt work
+Renato Piselli Same here - only got 1 out of 4 credit cards to work.
it worked for me
+Evans McGowan which ones?
maybe you change pin.
Math isnt for you...
Take Scotchtape, tape the number from a debitcard you can order free online like a NetSpend, copy the number attached to the Scotch Tape with some Reson from a previous video, to the Back Black Top Lining
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You could do a videi on the ISBM check sum for book :p
ISBN*
+Simon Bouchard Thanks for the suggestion! I might do this.
Simon Bouchard *People are making serious cash each day doing online surveys*
twitter.com/SurveyBanker/status/706317086088413184
+MindYourDecisions ISBN-10 and ISBN-13 use different checksums.
ISBN-10 numbers use a "sum of sums, mod 11" algorithm to set the checkdigit, which is the last digit. It can end up being a digit (0..9) or X (to represent 10).
ISBN-13 numbers use a "sum of the odd position digits plus triple the sum of the even position digits, mod 10". It follows the EAN-13 method of generating/checking the checkdigit.
I got the numbers in the back
*screams* violating the equality sign!
Besides the scammer above me, this comment is so true. I hate running arithmetic.
Bro, it's changed, every debt number is a math algorithm per number that gets computed with the user specific number of your pin. Also, using a credit without a pin is a randomly generated.
comment your credit card number, security code, billing name,address,expiration date,& # number and put it in that order and I'll show you a magic trick
Jimmy Johnson lmao
id need only the card number, everything else is Computable.
hehe, nice try...
Nice try you ################!!!!!!!! jk😁😂
ok
So i can use the code 1234 5678 9000 0000 as a fake credit card?
I was waiting for an "illuminati confirmed"
me too
Credit - 6 letters
Card - 4 letters
Credit card has 16 digits
16-4=12
12/6=2
Duration of this video is 3 33
333x2=666 *ILLUMINATI CONFIRMED* LOL
+Domenik Klarkson its 3:34
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It's not a magic trick, its just an mathematic algorithm (called Luhn algorithm) to verify credit cards.
holy fk
it works
Followed you directions with my credit card and got a three digit number that did not end in zero. They have either changed the scheme in the past three years or you are wrong. Since my number has been the same for eighteen years, I figure you are wrong.
Mine didn't work
And I have used this card many times
message me your credit card number and I'll tell you where you went wrong.
+Super Hans lmao
+Super Hans like anyone would be dumb to do that
Clout Gang This is CZcams, people will eventually do it.
Here’s another trick you can do!
Take your debit card,
Enter those numbers into every site you find,
BEHOLD!
Now the numbers in your bank account disappear!
*IT’S LIKE MAGIC!*
Doesn't work for me, I'm UK
it worked for me
Greg Cawthorne no doubt hackerchigga@gmail.com is the best
😀😀😀😀😀 that's why Indian and Nigerian scamming you.
Go shop with @Darkbeal on telegram he is the best he has been helping me with card for about three months,
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Did it with my dad's credit card and it DIDN'T WORK.
Sure, they're going to be in awe.
Tbh you should just delete this video.
This method would not work you still have to put in expired date and it will not match
*FBI* *OPEN* *UP*
Wow! Never knew this before.
Is that only for some countries? Cause my end number is 124 (uk)
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Lets get him to 1M!
Could this video mention that it is not secret magic, but a normal checksum and that there are multiple checksum algorithms for different applications, and that this specific algorithm has a name "Luhn algorithm"?
The 3 numbers 5 or more are NOT SUM.
Sum is the total... not the prime numbers.
HE MEANT THE NUMBERS GREATER THAN 4 🤦🏻♂️
Now time to make up 16 number and do this to see if I get a digit which ends with 0 and use it to buy suff...
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BUT, i'll bet he didnt score 4 touchdowns in a single game..
whats the magic trick---its either a zero or its not--that's 50 50 chance. And you have to ask them the final result....?????
You're wrong. I tried both my debt and card and it didn't work. I made sure to use a calculator and it didn't come out as 0.
Thank you to give my son an Credit card to have an special to download minecraft this is not math class...?
If you have card code 0000 0001 0002 0003, this won't work.
That's because 0*8=0
There are no 5 or greater digits, so 0
1+2+3=6
Add those up and you don't get a zero-ended number.
Yeah that's why you don't get that kind of number.
Sorry but I double checked my numbers and they added to 85 because numbers greater than 5 was 5 digits. OK so I forgot to double the first sum.....
Thank you!
Hello . Is there a program that allows a person to see the card from behind the black chip that covers the password without deleting it? Please answer it is very important. I have a photo, but I have drawn a black line on its number and hidden those numbers. I am looking for a program that I can see behind that black or I can erase it. Thank you if you answer
what the hell thats my credit card number howd you get it?
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First 6 digits identify the issuing bank
This video is not true at all in how the calculation is made, unless your card number ends with 0. However the video is right in the math in the card number, but it is a modulus 10 or Luhn algorithm of the first 15 digits in a 16 digit card number and the last digit is the check digit. Here is how it actually works: en.wikipedia.org/wiki/Luhn_algorithm
In second step digits higher than 5 will repeat twice than what should we do
Or that's is the code bean .please we waiting from you to explain to us .thanks lot of.
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You got something similar with ISBN numbers
Neat! Thanks, Presh. This scheme is good for error detection, as described.
It's no good, however, for error correction, because it doesn't tell which digit(s) was/were mistyped.
Fred
It's working......👍
Now do it in binary, I'm sure that way would be much more interesting
what's the point to this magic card TRICK !?
So just to be clear hear if it ends w 0 an those 3numbers 5 or greater.. That is ur cvv??
It does not work on credit cards used in Turkey.
omg this is just the method to find out the divisibility rule by 11
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BTW, Presh, I've just noticed something here you might want to take action against.
By chrono-ordering the comments, I see that 95+% of them are ads for "money-making" schemes, or credit-card "hackers."
I believe as channel admin, you can remove these abusers' comments.
Fred
its not magic code! It is an encryption algorithm and its called Triple DES, 3DES.
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Doesn't work as instructed ended with a 5.
Did not work on mine. Last number is 2. Checked THREE times. And yes, I graduated high school with my highest math course completed being Trigonometry.
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luhn's algorithm? a magic trick it is.
The luhn test
Nope, doesn't add up to a digit with a "0" at the end...maybe it's just YOUR card that does it.
It's wrong information. It worked only with one card out of 5 cards
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You mean the secret cod is .48.3.29
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>29
Didnt work on my cards.i have 3.
That's so true!
You have waaay to much time on your hands.
what was the point for this what can u use it for
how to find my erased last four number in my debit card number???
I only tried one of my cards, but this did not work! Final number 77, I checked 3 times
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It didnt work for mt credit cards. I triple checked everything with same result everytime. Disappointing.
Rubbish!
Checked this on four cards. Got zero only on two of them, one calculation ended with four, and one - with eight.
So that number might be a real credit card numbers
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Can I try this on debit card
It's a good video but you're wrong cuz I came out with 176 bud
Breath taking !
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