Art of Problem Solving
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Euler's Totient Theorem: Difference between revisions

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=== Statement ===
=== Statement ===


Let <math>\phi(n)</math> be [[Euler's totient function]]. If <math>{a}</math> is an integer and <math>n</math> is a positive integer, then <math>a^{\phi(m)}\equiv 1 \pmod {m}</math>.
Let <math>\phi(n)</math> be [[Euler's totient function]]. If <math>{a}</math> is an integer and <math>n</math> is a positive integer, then <math>{a}^{\phi (m)}\equiv 1 \pmod {m}</math>.


=== Credit ===
=== Credit ===

Revision as of 10:31, 18 June 2006

Statement

Let $\phi(n)$ be Euler's totient function. If ${a}$ is an integer and $n$ is a positive integer, then ${a}^{\phi (m)}\equiv 1 \pmod {m}$.

Credit

This theorem is credited to Leonhard Euler.

See also