You may want to test with the "known factors format":
Quote:
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Originally Posted by readme.txt
ECM2=k,b,n,c,B1,B2,curves_to_run[,"comma-separated-list-of-known-factors"]
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That would result in:
Code:
ECM2=1,2,1489,-1,1000000000,0,1,"71473,27201739919,51028917464688167,13822844053570368983,122163266112900081138309323835006063277267764895871,95909518295775374166321292697000685895150503357477127"
You should also have a look at a exponent with fewer known factors. It could change the outcome of GMPECM vs. Prime95.
According to undoc.txt,
MaxStage0Prime does not change the behavior of ECM's first stage. But maybe the same optimization as in P-1 could be applied here as well?