22791Re: Primes >2
- Jul 8, 2011--- In firstname.lastname@example.org,
"Mark" <mark.underwood@...> wrote:
> Every composite number has its weakness.This is true, in a unhelpful way. Suppose that N is divisible
> There will be some base in which to express such a number,
> which eyeballing will reveal to be composite.
by b, where N > b > 1. Then N ends in 0, when written in base b.
As remarked, this not particularly helpful :-)
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