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Old 2015-10-21, 10:10   #5
MatWur-S530113
 
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Apr 2007
Spessart/Germany

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Quote:
Originally Posted by Gordon View Post
So, as everything below M1019 has been factored, there isn't in fact any use for gpu_ecm?
in addition to wombatman's answer:
the following exponents of M-numbers with already known factors have composite cofactors with 1018 or less bits (atm, of course):
1213, 1217, 1229, 1237, 1297

see f.e. factordb.com .

but I don't think it's worth to run stages 1 with the gpu on them with B1 less than 1e9
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