A reduced residue system modulo "n" is a set of ("n") integers such that each integer is relatively prime to "n" and no two are congruent modulo "n". Here denotes
Facts
*If is a reduced residue system with "n" > 2, then .
ee also
*
External links
* [http://mathworld.wolfram.com/ReducedResidueSystem.html Reduced residue system] at MathWorld
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