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keisanHigh-precision calculations for everyday life and work

Euler's φ function (Toshen function)

Author: tonagaiExecutions: 145299

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For a positive integer n, the number of natural numbers from 1 to n that are coprime to n is denoted by φ(n) and is called Euler’s φ-function or the Torsion function.
Value of n
φ(n) = 

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