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

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MnStatusDetails
636773No factors below 269
P-1
B1=6 367 730
B2=191 031 900
LL
StatusDateUserResidueShift
VerifiedRobert Sartin45AA5F2E22FE620A0
VerifiedDavid Slowinski220A0
VerifiedBrian J. Beesley45AA5F2E22FE620A0
Verified2015-04-11MadPoo45AA5F2E22FE620A112807
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2021-05-04-Anonymous-factor ECM small0.0 % 2021-05-042021-07-03
2021-04-09-Anonymous-factor ECM small0.0 % 2021-04-092021-06-08
2021-01-21-Anonymous-factor ECM small0.0 % 2021-01-212021-03-22
2021-01-05-Anonymous-factor ECM small0.0 % 2021-01-052021-03-06
2020-12-18-Anonymous-factor ECM small0.0 % 2020-12-182021-02-16
2020-11-07-Anonymous-factor ECM small0.0 % 2021-02-282021-01-09
History
DateUserTypeResult
2018-04-06Smok_bmv NFno factor from 2^68 to 2^69
2017-09-25Smok_bmv NFno factor from 2^67 to 2^68
2017-09-25Smok_bmv NFno factor from 2^66 to 2^67
2017-07-21Smok_bmv NFno factor from 2^65 to 2^66
2017-06-26Smok_bmv NFno factor from 2^64 to 2^65
2015-11-19Sid & AndyNF-PM1B1=6367730, B2=191031900, E=12
2015-10-15Gordon SpenceNFno factor from 2^63 to 2^64
2015-10-15Gordon SpenceNFno factor from 2^62 to 2^63
2015-06-03lycornNFno factor from 2^61 to 2^62
2015-04-11MadPooC-LL45AA5F2E22FE620A
2014-08-09James HintzNF-PM1B1=2080000, B2=70720000, E=12
2011-02-07Jocelyn LaroucheNF-PM1B1=2000000
2011-01-25Sid & AndyNFno factor from 2^60 to 2^61
2008-10-13Sturle SundeNFno factor from 2^59 to 2^60
2008-10-13Sturle SundeNFno factor from 2^58 to 2^59
2003-10-31-Anonymous-NFno factor to 2^58
2003-05-26-Anonymous-NF-PM1B1=131072, B2=13107200, E=12
2002-10-07-Anonymous-NF-PM1B1=65536, B2=6553600, E=12
2002-07-06-Anonymous-NF-PM1B1=32768, B2=3276800, E=12
2002-05-11-Anonymous-NF-PM1B1=16384, B2=1638400
2001-10-25-Anonymous-NFno factor to 2^57
2001-04-15-Anonymous-NFno factor to 2^56
2000-12-07Alex KruppaNF-PM1B1=100000, B2=4000000
2000-01-12-Anonymous-NFno factor from 2^53 to 2^54