Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
79363699Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 276
TF target 275
P-1
B1 = 685000
B2 = 13015000
LL
StatusDateUserResidueShift
Unverified2018-05-12MrKnoedelmann39294E4017E834__74246316
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-11-240xLL double-checkLL49.27 % 2025-11-25
History
DateUserTypeResult
2025-08-17ElectricBillNF
no factor from 2^75 to 2^76
2018-05-12MrKnoedelmannC-LL
39294E4017E834__
2016-09-20J LloydNF-PM1
B1=685000, B2=13015000
2016-08-17Travis Glenn RussoNF
no factor from 2^74 to 2^75
2016-08-17Travis Glenn RussoNF
no factor from 2^73 to 2^74
2016-08-11ANONYMOUSNF
no factor from 2^72 to 2^73
2014-01-10DPF51NF
no factor from 2^71 to 2^72
2013-10-28SMoffatNF
no factor from 2^70 to 2^71
2013-01-30wangyun183NF
no factor from 2^69 to 2^70
2011-02-05Eugene ThorneNF
no factor from 2^68 to 2^69
2011-01-31Eugene ThorneNF
no factor from 2^67 to 2^68
2011-01-26Eugene ThorneNF
no factor from 2^66 to 2^67
2011-01-21GrunwalderGIMPNF
no factor from 2^65 to 2^66
2009-07-13Patrik JohanssonNF
no factor from 2^64 to 2^65
2009-05-30Architects CubedNF
no factor from 2^63 to 2^64