Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:
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MnStatusDetails
57118991No factors below 274
P-1
B1=835 000
B2=18 370 000
LL
StatusDateUserResidueShift
Verified2013-01-15workerthreadBF8278CAD3A4484615282491
Verified2021-07-03RichD0BF8278CAD3A448469512358
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2021-05-02AUM - KuwaitLL double-check0.0 % 2021-05-052021-07-01
2020-08-17dmbeesonLL double-checkLL53.1 % 2020-08-312020-10-30
2020-07-01-Anonymous-LL double-check0.0 % 2020-07-012020-08-10
2020-04-20-Anonymous-LL double-checkLL0.0 % 2020-04-222020-06-01
2020-02-10-Anonymous-LL double-check0.0 % 2020-02-102020-03-21
2019-11-06-Anonymous-LL double-check0.0 % 2019-11-062019-12-16
History
DateUserTypeResult
2021-07-03RichD0C-LLBF8278CAD3A44846
2019-02-03TheJudgerNFno factor from 2^73 to 2^74
2016-02-23Mark RoseNFno factor from 2^60 to 2^63
2013-01-15workerthreadC-LLBF8278CAD3A44846
2012-08-22BdotNF-PM1B1=835000, B2=18370000, E=6
2012-08-03Tom DuellNFno factor from 2^72 to 2^73
2012-05-24bcp19NFno factor from 2^71 to 2^72
2012-02-16Ethan O'ConnorNFno factor from 2^70 to 2^71
2011-10-04ITSNFno factor from 2^69 to 2^70
2011-04-20-Anonymous-NFno factor from 2^68 to 2^69
2009-06-03rickNFno factor from 2^67 to 2^68
2008-10-27Sturle SundeNFno factor from 2^66 to 2^67
2008-10-06Sturle SundeNFno factor from 2^65 to 2^66
2008-10-04Sturle SundeNFno factor from 2^64 to 2^65
2008-10-01BoulderNFno factor from 2^63 to 2^64
2003-07-30Team Prime RibNFno factor to 2^60
2002-10-26-Anonymous-NFno factor to 2^58
2001-09-22-Anonymous-NFno factor to 2^57
2000-06-26-Anonymous-NFno factor to 2^56
2000-03-08-Anonymous-NFno factor to 2^54
2000-01-04-Anonymous-NFno factor to 2^53
1999-12-08-Anonymous-NFno factor to 2^53