RE: Mersenne: Factoring with ECM

2000-06-18 Thread Paul Leyland
> From: Yann Forget [mailto:[EMAIL PROTECTED]] > Could you explain this to me ? I can try. The text below is deliberately informal in style and far from mathematically rigorous. The mathematicians on the list will have to forgive me; those who want a more rigorous explanation should be able to

Mersenne: Factoring with ECM

2000-06-16 Thread Yann Forget
Hi, Could you explain this to me ? I am factoring Fermat numbers with ECM. Is this relevant in this case ? Thanks in advance, Yann > Paul Leyland said: As long as the coefficients of the curve and the starting point are recorded, we can re-run exactly the same computation, with the small primes