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

PrimeNet Exponent Status

Exponent Range:





MnDetails
85195001
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2026-03-29-anonymous-D2026-03-292026-04-11
P-1
B1 = 685000
B2 = 13528750
LL
StatusDateUserResidueShiftSoftware
Unverified2019-03-10Bjørn Skog77744D13143FE0__6175571Windows 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2019-03-10Bjørn SkogC-LL77744D13143FE0__
2018-01-07TheJudgerNF-PM1B1=685000, B2=13528750, E=12
2017-08-13TheJudgerNFno factor TF: 74-75
2017-08-13TheJudgerNFno factor TF: 75-76
2017-04-17-anonymous-NFno factor TF: 73-74
2017-02-24Strolling JellyfishNFno factor TF: 72-73
2014-08-29Quantum SingularityNFno factor TF: 71-72
2014-08-29Quantum SingularityNFno factor TF: 70-71
2013-12-16HMVNFno factor TF: 69-70
2013-03-08g0bNFno factor TF: 68-69
2013-03-07g0bNFno factor TF: 67-68
2013-03-06SMoffatNFno factor TF: 66-67
2013-03-05wangyun183NFno factor TF: 65-66
2010-11-25Architects CubedNFno factor TF: 64-65