if [a]=[1] in Zn, prove that (a,n)=1. Show by example that the converse may be false.

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- February 2nd 2010, 08:14 AMDeepucongruence in integer
if [a]=[1] in Zn, prove that (a,n)=1. Show by example that the converse may be false.

- February 2nd 2010, 02:04 PMDrexel28
- February 2nd 2010, 07:43 PMtonio