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Old 2019-03-10, 03:28   #2
P90 years forever!
Prime95's Avatar
Aug 2002
Yeehaw, FL

1CBD16 Posts

Yes, mprime uses the faster gwnum library vs. GMP for GMP-ECM.

However, GMP-ECM uses a superior algorithm for stage 2.

So, the optimal solution is to use mprime for stage 1 and GMP-ECM for stage 2. Dig around in the forums for instructions on how to do this.

Good luck in your search
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