79416478

Date: 2025-02-05 23:56:35
Score: 2.5
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When the data at char 6 is not 5-9, the check digit must be recalculated. It won't just be the data at char 7. digits sABCDEFc multipy by 31313131 s3 plus A1 + B3 + C1 + D3 + E1 + F3 + c1 will be a multiple of 10 So in the case of 5-9: sABCDEFc becomes sABCDE0000Fc and the check digit is the same. All other cases the c (check digit) has to be recalculated.

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Posted by: weldon bailey