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2. Credit card information: The basics you need to know - AOL

   www.aol.com/finance/credit-card-information...

   Printed on a credit card, you'll find the card number, the cardholder’s name, when the card expires and the card's security code — all the details you need to make purchases online or in ...

3. Payment card number - Wikipedia

   en.wikipedia.org/wiki/Payment_card_number

   A payment card number, primary account number ( PAN ), or simply a card number, is the card identifier found on payment cards, such as credit cards and debit cards, as well as stored-value cards, gift cards and other similar cards. In some situations the card number is referred to as a bank card number.

4. What Do Credit Card Numbers Mean? - AOL

   www.aol.com/finance/credit-card-numbers-mean...

   For example, an airline credit card number will start with a one, while a Visa bank card will start with a four. This rule applies regardless of the card issuer. 2. First Six Digits: Issuer ...

5. 8 different types of credit cards - AOL

   www.aol.com/finance/8-different-types-credit...

   Deserve® EDU Mastercard for Students * – Best student card for no credit history and international students. Petal® 2 “Cash Back, No Fees” Visa® Credit Card * – Best student starter ...

6. Credit card - Wikipedia

   en.wikipedia.org/wiki/Credit_card

   Signature strip. Card security code. A credit card is a payment card, usually issued by a bank, allowing its users to purchase goods or services or withdraw cash on credit. Using the card thus accrues debt that has to be repaid later. [1] Credit cards are one of the most widely used forms of payment across the world.

7. Luhn algorithm - Wikipedia

   en.wikipedia.org/wiki/Luhn_algorithm

   Luhn algorithm. The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in U.S. Patent No. 2,950,048, granted on August 23, 1960.