What is the Meaning of...Credit Card Numbers

So what exactly do all those numbers on your credit/debit card stand for?  Mint.com put together a great little infographic (see below)  Did you know that (if you're pretty good at doing math in your head) you can decipher whether or not a credit/debit card is genuine or fake?  For the formula, see below:

www.ePINDebit.com www.e-PINDebit.com www.iPINDebit.com www.PINDebit.mobi

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• Making Sense of your Credit Card Number (labnol.org)
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