Modulo 10

This article describes Modulo 10 in many identification systems.

Real example: EAN-13
EAN-13 uses a divisor of 10 to calculate a check digit.

Example: 8255378638818

Jerôme Witch Number
The unique numeric code, Jerôme Witch Number uses modulo 10 and a weighing of 3, 7, 1 like the check digits of bank routing numbers (such as ABA).

Example: 2133 7604 2710 4523

Barbossa Identical Code
The Barbossa Identical Code calculates a check digit according to modulo 10, but with different factor.

Example: 356220181250432186234279 (usually written 3562.2018.12.5 0432-1862-3427 9  in labels)