A valid credit card number has several fields and each of them has a meaning. For the technically inclined, this number complies to the ISO 7812 numbering standard. An contains a six-digit issuer identification number (IIN), an individual account identification number, and a single digit checksum.
The credit card numbers you generate on this page are completely random. When we say they are valid, we merely imply that they are a possible combination of characters which will validate when passed through the MOD 10 algorithm. You can also generate valid credit card numbers for specific Issuing Networks by utilising their particular prefixes. However, we do not provide you (obviously) with the correspondent verification code for these cards, as they are completely fake and made up randomly.
If you've ever found yourself trying to try a product online which required a credit card, even when you just want to take a look, you know why we made this. We believe there's no need to share such information with providers without the actual intent to buy stuff. Anyone can make a website with a form and require you to insert valuable and sensitive information which requires you to give up your privacy. This is a way to protect yourself in such situations.
The other reason we made this are programmers testing ecommerce websites, applications or other software. They usually need lots of fake data, and this is a very easy way to generate a bunch of valid credit card numbers in a split second. There's another tool for those times when you need to generate all other kinds of data.
The average American has four credit cards in their wallet according to a report listed on MSN Money. If you multiply this amount by the number of American consumers, the number of credit cards in circulation is immense.www.ehow.com
This requirement restricts the set of valid credit card numbers to a small subset of all possible strings of numbers. It's a simple test that a valid credit card number will pass but that an invalid card will probably not pass. This is how online stores that accept credit cards can reject a credit card number with a typo very efficiently.bradconte.com
Multiple of 10 or it’s not a valid card.The Luhn Check Digit Algorithm in C. This program, presented in C source code form, will perform this math for you. Feed it all but the last digit of your credit card number, and it will give you the last digit.www.tech-faq.com