2007-07-22, 10:36 | #1 | ||
Sep 2006
Brussels, Belgium
3^{3}·61 Posts |
How far to do trial factoring
In a discussion on how far trial factoring should go, there has been a suggestion concerning the fact that some numbers are better candidates for P-1 than others. This should be determined at the start of trial factoring in order to chose to how many bits a Mersenne number should be trial factored, at that time only the exponent of the Mersenne number is known. But in that discussion I am not sure whether one speaks about the factors or the exponents. If one can, indeed, not try some potential factors that would be certain to be found by P-1, how does it relate to how far one does trial factoring ?
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This thread could be in maths, software of factoring instead of primenet... Jacob |
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2007-09-06, 00:52 | #2 | ||
Jun 2003
7·167 Posts |
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Similarly one could include more of those potential factors which are less likely to be found by P-1. |
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