Re: Mersenne: Misc. things

[Jud McCranie]

At 12:59 AM 10/17/98 -0400, Foghorn Leghorn wrote:
>
>Second, I see that there are now some composite exponents in the ECM 
>factoring page. Why are none of them even? Is there a technical reason 
>that makes them less interesting?

Composite exponents have algebraic factors.  For even n, 2^n-1 is divisible by
3.