what does a credit card represent

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16-10-2018
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what does a credit card represent

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kaylajoseph742 kaylajoseph742 · Answer 1 · 2018-10-16T18:21:13+02:00

kaylajoseph742 kaylajoseph742

16-10-2018

Number A is my credit card number. The 4 groups don't have a meaning. They do, actually. First digit is 4 for VISA, 5 for Mastercard, 6 for Discover/Diners Club, 3 for American Express/Diners Club (those are shorter than 16). Also, first 6 digits for Visa and Mastercard are code numbers for the issuing institution.

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