The Card Number Validation hole will go live in . Why not try and solve it ahead of time?

alphafalfa

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IT guy with exploratory nerding.

48 / 108 Holes

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12 / 58 Langs

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23 / 75 Cheevos

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Prime Numbers (Long) in AWK in Chars Play Hole

12th in AWK and 1,097th overall.

Last tested .

Bytes Chars Submitted
55 55
62 62
63 63
73 73
77 77