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

PrimeNet Exponent Status

Exponent Range:





MnDetails
80022979
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2026-01-03MichaelPrime314DLL88.09 %2026-01-262026-01-27
P-1
B1 = 750000
B2 = 15937500
LL
StatusDateUserResidueShiftSoftware
Unverified2017-06-05iram19D2F5FC43DAE8__50280103Windows,Prime95,v28.7,build 1
History
DateUserTypeResult
2024-09-30cramsey87NFno factor TF: 75-76
2017-06-05iramC-LL19D2F5FC43DAE8__
2016-07-27AirSquirrelsNFno factor TF: 74-75
2016-03-06TheJudgerNF-PM1B1=750000, B2=15937500, E=12
2016-01-28mikrNFno factor TF: 73-74
2016-01-28mikrNFno factor TF: 72-73
2016-01-26mikrNFno factor TF: 71-72
2011-02-12steinrarNFno factor TF: 70-71
2011-02-12steinrarNFno factor TF: 69-70
2011-02-12steinrarNFno factor TF: 68-69
2011-02-12steinrarNFno factor TF: 67-68
2011-02-12steinrarNFno factor TF: 65-67
2010-11-29Architects CubedNFno factor TF: 64-65