The previous version (HE-1) has worked for me so far, and I even found a new factor with, but now it has started failing. (I use the Linux version so I can't try the new verson yet)

When I start the program with `./mprime -m` and enter 5 to resume factoring, it runs for a while but then it segfaults:

Code:

Your choice: 5
Mersenne number primality test program version HE-1
Starting P-1 factoring with B1=60000, B2=750000
Chance of finding a factor is an estimated 1.68%
P-1 on 24737*2^6825703+1 with B1=60000, B2=750000
Using FFT length 768K
zsh: segmentation fault ./mprime -m

The first line of my worktodo.ini reads:

Code:

Pfactor=24737,2,6825703,1,48,0

It's configured to use a maximum of 384 MB of RAM (I have 512).