Quote:
Originally Posted by Kosmaj
I just found by searching Top-5000 that this k was checked by Herranen back in 1998-99 most likely to n=70k. Looks good, there is a Sophie-Germain prime 736320585*2^6194-1.
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Thanks for the info. Next time I will search TOP-5k database before starting sieving
As for the PC I'm using for "15k" it's a Dualcore Athlon 64 @ 2,55GHz