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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Exponent Range:
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MnStatusDetails
13786741No factors below 272
P-1
B1=300 000
B2=6 000 000
LL
StatusDateUserResidueShift
Verified2002-08-17C. Cooper / S. BooneFC1212443826ADBF10469951
Verified2005-04-26Mark MesserFC1212443826ADBF7237056
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2019-04-01-Anonymous-factor ECM small0.0 % 2019-04-012019-09-28
History
DateUserTypeResult
2021-09-28Dylan DelgadoNFno factor from 2^71 to 2^72
2021-09-07SRBaseNFno factor from 2^70 to 2^71
2021-08-08SRBaseNFno factor from 2^69 to 2^70
2018-01-14ramgeisNFno factor from 2^68 to 2^69
2017-12-23-Anonymous-NFno factor from 2^67 to 2^68
2016-07-24ThaNF-PM1B1=300000, B2=6000000, E=12
2015-08-20NesowaNFno factor from 2^66 to 2^67
2014-07-02NesowaNFno factor from 2^65 to 2^66
2005-04-26-Anonymous-C-LLFC1212443826ADBF
2002-08-17curtiscC-LLFC1212443826ADBF
2002-08-10curtiscC-LLFC1212443826ADBF
2001-11-24curtiscNF-PM1B1=200000, B2=200000
2000-10-22-Anonymous-NFno factor to 2^65
2000-07-17carlo_baffaNFno factor to 2^64