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:










MnStatusDetails
72841781TF
No factors below 275
TF target 274
P-1
B1 = 625000
B2 = 12187500
LL
StatusDateUserResidueShift
Unverified2015-10-22Dmitry67C365DF19D87E__50324721
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-04-02ANONYMOUSLL double-check0.00 % 2024-04-02
History
DateUserTypeResult
2015-10-22DmitryC-LL
67C365DF19D87E__
2015-04-19TheJudgerNF-PM1
B1=625000, B2=12187500, E=6
2015-04-12kdgehmanNF
no factor from 2^74 to 2^75
2015-04-12kdgehmanNF
no factor from 2^73 to 2^74
2015-04-12kdgehmanNF
no factor from 2^72 to 2^73
2015-04-12kdgehmanNF
no factor from 2^71 to 2^72
2013-09-11processinfoNF
no factor from 2^70 to 2^71
2013-04-19GrunwalderGIMPNF
no factor from 2^69 to 2^70
2010-08-22Helmut ZulusNF
no factor from 2^68 to 2^69
2010-08-16AnselmNF
no factor from 2^67 to 2^68
2010-08-11AnselmNF
no factor from 2^66 to 2^67
2010-08-08AnselmNF
no factor from 2^65 to 2^66
2010-08-02mozartNF
no factor from 2^64 to 2^65
2008-09-19Wojciech FlorekNF
no factor to 2^64