At 02:43 AM 11/9/2001 +0100, Marcel Martin wrote:

>Well, since I still don't know whether I will add a backtracking

>feature or not to the next Primo release, if ever you have something

>to say about it, please, say it now.

What do you mean by backtracking here? Is it that if you try to factor n+1

or n-1 in a proof and get to a large factor, you try to prove it prime in

order to make the n+1 or n-1 proof of the original number work?

+--------------------------------------------------------+

| Jud McCranie |

| |

| 137*2^261147+1 is prime! (78,616 digits, 5/2/00) |

+--------------------------------------------------------+