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
85111111
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2026-02-14-anonymous-D2026-02-142026-02-20
P-1
B1 = 680000
B2 = 13260000
LL
StatusDateUserResidueShiftSoftware
Unverified2018-02-08RichardD1C8918CAB3B39__20117347Windows 64-bit,Prime95,v29.4,build 5
History
DateUserTypeResult
2018-02-08RichardC-LLD1C8918CAB3B39__
2018-01-31S485122NF-PM1B1=680000, B2=13260000, E=12
2017-07-14Mark RoseNFno factor TF: 75-76
2015-11-13mikrNFno factor TF: 74-75
2015-11-13mikrNFno factor TF: 73-74
2015-11-13mikrNFno factor TF: 72-73
2015-11-13mikrNFno factor TF: 71-72
2013-11-09MarkucsbNFno factor TF: 70-71
2013-06-17Houd Al-ObaidliNFno factor TF: 69-70
2013-02-28Freaks32NFno factor TF: 68-69
2013-02-24Freaks32NFno factor TF: 67-68
2013-01-26E.LechnerNFno factor TF: 66-67
2011-05-25Rob_DeeNFno factor TF: 65-66
2010-11-24Architects CubedNFno factor TF: 64-65