From: Todd Benson <caduceass@...>
Date: 2008-04-01T21:07:08+09:00
Subject: Re: Primes in P?

On Tue, Apr 1, 2008 at 5:19 AM, Todd Benson <caduceass@gmail.com> wrote:

>
>  Charles, take a peak at the mathn library for your greatest prime factor...
>
>  require 'mathn'
>  n = 12345654321
>  p n.prime_division.last[0]

Funny, I tried this with the same number with a 1 attached to the end
(123456543211).  It took about 20 minutes, but determined it was prime
(i.e. returned [123456543211, 1]) which means 123456543211 to the
power of 1.  Coincidence :)

Todd