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
80051467
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2026-02-100xD2026-02-112026-02-12
P-1
B1 = 18900000
B2 = 3960921510
LL
StatusDateUserResidueShiftSoftware
Unverified2017-06-13-anonymous-1960899929A89D__9413401Windows 64-bit,Prime95,v26.6,build 3
History
DateUserTypeResult
2026-02-10EnsigmaNF-PM1B1=18900000, B2=3960921510
2025-07-02Jarod McClintockNFno factor TF: 75-76
2017-06-13-anonymous-C-LL1960899929A89D__
2016-11-30ATHNF-PM1B1=670000, B2=13065000, E=6
2016-09-18Kevin JagetNFno factor TF: 74-75
2016-09-18Kevin JagetNFno factor TF: 73-74
2016-09-18Kevin JagetNFno factor TF: 72-73
2014-01-08SWL551NFno factor TF: 71-72
2014-01-08SWL551NFno factor TF: 70-71
2012-04-16wangyun183NFno factor TF: 69-70
2011-03-28Lawrence V. Castiglione IIINFno factor TF: 68-69
2011-03-13Mark DeVirgilioNFno factor TF: 67-68
2011-03-08firejugglerNFno factor TF: 66-67
2010-12-15SDCNFno factor TF: 65-66
2010-12-01Architects CubedNFno factor TF: 64-65