Loading...
Uploaded by pfblueprint on Oct 17, 2009
In this Bargaineering.com Videocast, Jim Wang explains how the Luhn Algorithm works, which is a modulus 10 checksum you can use on credit card numbers to verify correctness.
Education
Standard YouTube License
The math in this is wrong. The "10" that you add in should be 1 + 0 = 1. Your checksum of 6 is wrong. Here's the correct sequence:
546124355
That's 5 + (4+4) + 6 + (1+1) + 2 + (4+4) + 3 + (1+0) = 35
35%5 = 5, so the last digit is 5, which it is!
PLEASE fix the video or take it down.
ralree 3 weeks ago
Load more suggestions
The math in this is wrong. The "10" that you add in should be 1 + 0 = 1. Your checksum of 6 is wrong. Here's the correct sequence:
546124355
That's 5 + (4+4) + 6 + (1+1) + 2 + (4+4) + 3 + (1+0) = 35
35%5 = 5, so the last digit is 5, which it is!
PLEASE fix the video or take it down.
ralree 3 weeks ago