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Old 2022-01-16, 19:54   #3
lycorn's Avatar
Sep 2002
Oeiras, Portugal

110000111112 Posts

Originally Posted by bur View Post

Similar question regarding ECM. If a factor is found, but the assignment consists of more than 1 curve, will the factor be reported immediately? For smaller numbers it makes sense to restart ECM with the smaller new co-factor, for the large Mersennes maybe not such much. So what does actually happen when a factor is found during an assignment?
This excerpt from undoc.txt should answer it:

By default, ECM will stop when a new factor is found. You can have ECM stop or
continue searching for factors by using a value of zero or one in prime.txt:
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