Luhn checksum

Calulates checksum using Luhn algorithm. Luhn algoritm is popular in credit card number validation.

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Created: 2013-05-25 20:33:44, Last updated: 2020-11-03 14:19:29

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PLANETCALC, Luhn checksum

Luhn checksum

Luhn checksum mod 10
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PLANETCALC, Luhn checksum