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
2117719No factors below 268
P-1
B1=2 500 000
B2=125 000 000
LL
StatusDateUserResidueShift
VerifiedMikael BillbergCFAA723EEA3333700
Verified1999-02-14Michael CollierCFAA723EEA3333701816797
Verified2018-04-03kkmrkkblmbrbkCFAA723EEA33337079457
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2021-03-13-Anonymous-factor ECM small0.0 % 2021-03-132021-05-12
History
DateUserTypeResult
2019-05-13TJAOINFno factor from 2^67 to 2^68
2018-04-03kkmrkkblmbrbkC-LLCFAA723EEA333370
2017-08-13mikrNF-PM1B1=2500000, B2=125000000, E=12
2017-06-28Jocelyn LaroucheNF-PM1B1=447216, B2=4472160, E=6
2017-06-09Jocelyn LaroucheNF-PM1B1=372680, B2=3726800, E=6
2016-11-09Jocelyn LaroucheNF-PM1B1=223608
2016-10-15Gordon SpenceNFno factor from 2^66 to 2^67
2016-07-22Jocelyn LaroucheNF-PM1B1=186340, B2=6020000, E=12
2016-02-23Mark RoseNFno factor from 2^58 to 2^60
2016-01-06ramgeisNFno factor from 2^65 to 2^66
2015-04-25VictordeHollanderNFno factor from 2^64 to 2^65
2015-04-25VictordeHollanderNFno factor from 2^63 to 2^64
2013-09-06ramgeisNFno factor from 2^62 to 2^63
2012-04-01Sebastian HornbostelNFno factor from 2^61 to 2^62
2011-01-25James HeinrichNF-PM1B1=140000, B2=3010000, E=6
2011-01-10Jocelyn LaroucheNF-PM1B1=50000
2010-12-30Jocelyn LaroucheNF-PM1B1=30000
2009-08-02harleeNF-PM1B1=20000, B2=260000
2009-01-02Sturle SundeNFno factor from 2^60 to 2^61
2003-02-27-Anonymous-NF-PM1B1=2048, B2=204800, E=12
1999-02-14-Anonymous-C-LLCFAA723EEA333370
1999-01-17-Anonymous-NFno factor to 2^58