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Method for verifying a credit card number:

Method for verifying a credit card number:. Example: 49927398716. Method for verifying a credit card number: 1. Starting with the second digit from the right,. Example: 49927398716. 4 9 9 2 7 3 9 8 7 1 6. Method for verifying a credit card number:

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Method for verifying a credit card number:

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  1. Method for verifying a credit card number: Example: 49927398716

  2. Method for verifying a credit card number: 1. Starting with the second digit from the right, Example: 49927398716 4 9 9 2 7 3 9 8 7 1 6

  3. Method for verifying a credit card number: 1. Starting with the second digit from the right, double every other digit Example: 49927398716 4 9 9 2 7 3 9 8 7 1 6 2 6

  4. Method for verifying a credit card number: 1. Starting with the second digit from the right, double every other digit Example: 49927398716 4 9 9 2 7 3 9 8 7 1 6 16 7 2 6

  5. Method for verifying a credit card number: 1. Starting with the second digit from the right, double every other digit Example: 49927398716 4 9 9 2 7 3 9 8 7 1 6 6 9 16 7 2 6

  6. Method for verifying a credit card number: 1. Starting with the second digit from the right, double every other digit Example: 49927398716 4 9 9 2 7 3 9 8 7 1 6 4 18 9 4 7 6 9 16 7 2 6

  7. Method for verifying a credit card number: 1. Starting with the second digit from the right, double every other digit 2. Break into digits, Example: 49927398716 4 9 9 2 7 3 9 8 7 1 6 4 18 9 4 7 6 9 16 7 2 6 4 1 8 9 4 7 6 9 1 6 7 2 6 = 70

  8. Method for verifying a credit card number: 1. Starting with the second digit from the right, double every other digit 2. Break into digits, and add the digits together Example: 49927398716 4 9 9 2 7 3 9 8 7 1 6 4 18 9 4 7 6 9 16 7 2 6 4 +1+8+ 9 + 4 + 7 + 6 + 9 +1+6+ 7 + 2 + 6 = 70

  9. Method for verifying a credit card number: 1. Starting with the second digit from the right, double every other digit 2. Break into digits, and add the digits together 3. Result must end with 0 (e.g 70) Example: 49927398716 4 9 9 2 7 3 9 8 7 1 6 4 18 9 4 7 6 9 16 7 2 6 4 +1+8+ 9 + 4 + 7 + 6 + 9 +1+6+ 7 + 2 + 6 = 70

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