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EulerPhi

Usage

• EulerPhi[n] gives the Euler totient function .


Notes

• Integer mathematical function (see Section A.3.10).
• gives the number of positive integers less than or equal to which are relatively prime to .
• See Section 3.2.5.
• See also: FactorInteger, Divisors, MoebiusMu, MultiplicativeOrder, CarmichaelLambda, PowerMod.
• New in Version 1.
Further Examples


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