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Questions on group theory which concern finite groups.

3 votes
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Ways to tell from residues modulo prime factors if $z$ is below half point

Let $N=\prod_{k=0}^{k=m}{ p_k }$ be a square-free odd integer where $p_k$ is a prime. If we are given any integer $g$ such that $0<g<N$, it is very easy to tell if $g < \frac{N}{2}$ or not. Now supose …