Math 2.0

Number theory Congruences Concept

Congruence modulo n

Summary

Two integers are congruent modulo a positive integer nn when their difference is a multiple of nn. Modular arithmetic is the arithmetic of integers up to this relation. The definition of congruence modulo n gives the precise form.

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Further reading

  1. Web https://en.wikipedia.org/wiki/Modular_arithmetic, lead section
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