Hi,
 
I've got my old PIII 500Mhz factoring 30,000,NNN up to 2^68, and it's proceeding in stages, currently looking at factors up to 2^66. Just wondering about the mechnics, it wasn't quite clear from my reading of the Factoring section of the GIMPS site: does each 2^N stage take twice as long as the previous, or is it a non-linear law ? Does a current stage 2^N include the previous 2^(N-1), or does the code really look at factors "between" 2^(N-1) and 2^(N), ie. doesn't go over the same ground twice.
 
Cheers,
Greg E

Greg Edwards
Technical Consultant
SGI
11-17 Khartoum Road
North Ryde NSW 2113 Australia
Ph: +61 (0)2 8875 9580 (diverts to mobile)
Fx: +61 (0)2 8875 9480
Skype: gjedwards_21c

 
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