10715Re: primes close to 2^(2^n) for n = 11..14
- Jan 5, 2003--- David Broadhurst wrote:
> Paul:No I didn't mean using B-PSW as the main PRP test! Rather I meant:
> > I wonder why PFGW did not implement Baillie-PSW.
> I guess because then the fast PrP test would be 3 times slower.
why does PFGW report Fermat and Lucas PRP rather than B-PSW? Is
something to do with the calculation of N^2-1?
> And the -tc test is stronger than B-PSW, I believe.Can someone construct such a N^2-1 factored composite number?
> If you have a fair pecentage of N^2-1 it's *very* strong.
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