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Topic:
a^n = a mod 6
Replies:
8
Last Post:
Jan 18, 2014 6:36 AM




Re: a^n = a mod 6
Posted:
Jan 16, 2014 11:49 PM


On Thu, 16 Jan 2014, quasi wrote:
> sharma wrote: > > > >For odd prime n, and any a, a^n = a mod 6. I thought this > >was interesting. Is this common knowledge? > > An easy exercise. > > However primality has nothing to do with it  it works for > any odd positive integer n. > > More precisely: > > If a is an integer and n is an odd positive integer then > a^n = a mod 6.
a (mod 6) n 0 1 2 3 4 5 1 0 1 4 3 4 1 2 0 1 2 3 4 5 3 0 1 4 3 4 1 4 0 1 2 3 4 5 5 ...
> quasi



