euler totient function -3 XX86 5 years ago 2 Comments (1) Show archived|Write comment? feodorv 5 years ago,#| +3 IfA×B=LCM(A,B)A×B=LCM(A,B)thenAAandBBare coprime, or number of possibleBBisϕ(A)ϕ(A)(whereϕ(x)ϕ(x)isEuler's totient fuction) ...
https://www.hackerearth.com/practice/math/number-theory/totient-function/practice-problems/algorithm/nanachi-and-euler-totient-4-1f3f29ca/ Also can you suggest me some resources to study and practice euler totient function?
此函数以其首名研究者欧拉命名(Euler’so totient function),它又称为Euler’s totient function、φ函数、欧拉商数等。 例如φ(8)=4,因为1,3,5,7均和8互质。 从欧拉函数引伸出来在环论方面的事实和拉格朗日定理构成了欧拉定理的证明 费马小定理的思考与证明...