Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
85533977
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2025-12-15-anonymous-DLL0.01 %2026-02-202026-02-27
P-1
B1 = 680000
B2 = 12580000
LL
StatusDateUserResidueShiftSoftware
Unverified2019-08-13patgie5CF1F14890E869__75345054Windows 64-bit,Prime95,v29.8,build 3
History
DateUserTypeResult
2019-08-13patgieC-LL5CF1F14890E869__
2019-04-28ATHNFno factor TF: 1-63
2019-04-28ATHNFno factor TF: 63-64
2018-02-15Pi_RhoNF-PM1B1=680000, B2=12580000
2017-09-17TheJudgerNFno factor TF: 74-75
2017-09-17TheJudgerNFno factor TF: 75-76
2017-04-16-anonymous-NFno factor TF: 73-74
2017-03-08Strolling JellyfishNFno factor TF: 72-73
2013-12-16SRS TechnologyNFno factor TF: 71-72
2013-12-16SRS TechnologyNFno factor TF: 70-71
2013-08-19Houd Al-ObaidliNFno factor TF: 69-70
2013-08-17Houd Al-ObaidliNFno factor TF: 68-69
2013-03-04SMoffatNFno factor TF: 67-68
2013-03-04wangyun183NFno factor TF: 66-67
2013-03-01wangyun183NFno factor TF: 65-66
2010-11-27Architects CubedNFno factor TF: 64-65