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Old 2020-01-29, 17:43   #89
VBCurtis
 
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"Curtis"
Feb 2005
Riverside, CA

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Sieve work is suspended for 1M-6M because they're done with the sieve work. It is suspended for 10-12M merely because they're not actively working there; the computation cycles are focused on 6-9M presently.

Last fiddled with by VBCurtis on 2020-01-29 at 17:45
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Old 2020-04-04, 17:00   #90
JimB
 
Sep 2012
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Sieve files for k*2^n-1

Here are the latest sieve files for 4 < k < 10000 and n < 12M. pmin and pmax give a range of what's been completed.

We kindly ask that srsieve AND psieve be credited with any primes found with these sieve files. Those are the two sieve programs used in the sieve. Should anyone wish to credit the effort (PrimeGrid) that is perfectly fine, but certainly NOT required.

Please note the new file locations. Comcast has discontinued free hosting, so these files are now hosted on PrimeGrid. The main url for these files is now http://www.primegrid.com/sieving/rsp. Because it was requested and especially since PrimeGrid has to pay for outgoing bandwidth, subsets of all the sieves for k < 300 are now available.

Active Sieves
rsp7M_20200403.abcd - (138,043,505) terms) p~518P
rsp8M_20200403.abcd - (138,042,107) terms) p~518P
rsp9M_20200403.abcd - (138,067,876) terms) p~518P
Suspended Sieves
rsp1M_20150702.abcd - (145,955,447) terms) p=100P
rsp2M_20150702.abcd - (145,932,255) terms) p=100P
rsp3M_20150702.abcd - (145,537,042) terms) p=100P
rsp4M_20150702.abcd - (140,228,537) terms) p=400P
rsp5M_20150702.abcd - (140,245,425) terms) p=400P
rsp6M_20150702.abcd - (140,213,750) terms) p=400P
rsp10M_20000T.abcd - (149,983,666) terms) p=20P
rsp11M_20000T.abcd - (149,988,780) terms) p=20P
rsp12M_20000T.abcd - (149,964,256) terms) p=20P
Shortened Sieves (k < 300)
rsp7M_20200403_k_lt_300.abcd - (4,002,122) terms) p~518P, k < 300
rsp8M_20200403_k_lt_300.abcd - (3,999,626) terms) p~518P, k < 300
rsp9M_20200403_k_lt_300.abcd - (4,037,205) terms) p~518P, k < 300

rsp1M_20150702_k_lt_300.abcd - (4,247,662) terms) p=100P, k < 300
rsp2M_20150702_k_lt_300.abcd - (4,243,186) terms) p=100P, k < 300
rsp3M_20150702_k_lt_300.abcd - (4,229,258) terms) p=100P, k < 300
rsp4M_20150702_k_lt_300.abcd - (4,066,647) terms) p=400P, k < 300
rsp5M_20150702_k_lt_300.abcd - (4,064,687) terms) p=400P, k < 300
rsp6M_20150702_k_lt_300.abcd - (4,067,405) terms) p=400P, k < 300
rsp10M_20000T_k_lt_300.abcd - (4,397,959) terms) p=20P, k < 300
rsp11M_20000T_k_lt_300.abcd - (4,399,348) terms) p=20P, k < 300
rsp12M_20000T_k_lt_300.abcd - (4,401,000) terms) p=20P, k < 300
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