Re: prime~.
From: mina_world (mina_world_at_hanmail.net)
Date: 10/04/04
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Date: Mon, 4 Oct 2004 11:29:58 +0900
"Michael Lockhart" <ml1000@bellsouth.net> wrote in message
news:X828d.227877$%n4.3977@bignews6.bellsouth.net...
> "mina_world" <mina_world@hanmail.net> wrote in message
> news:cjq9ds$a7o$1@news.hananet.net...
> > hello......doctor~
> >
> > p is a prime.
> > n is positive integer.
> >
> > show that
> > p | (a^n) - 1 for some a in Z
> > => (p^2) | (a^n) - 1
>
> That's not true.
>
oh......i'm sorry. my mistake.
p is a prime.
show that
p | (a^p) - 1 for some a in Z
=> (p^2) | (a^p) - 1
it's exact.
Pardon me. sorry.
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