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
79678253
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2025-12-07SLScoolDLL96.52 %2026-01-112026-01-11
P-1
B1 = 670000
B2 = 13567500
LL
StatusDateUserResidueShiftSoftware
Unverified2017-01-29Jonas HoebenCB6180438E659C__51101360Windows 64-bit,Prime95,v28.10,build 1
History
DateUserTypeResult
2025-09-08Sid & AndyNFno factor TF: 75-76
2017-01-29Jonas HoebenC-LLCB6180438E659C__
2016-10-30bamNF-PM1B1=670000, B2=13567500, E=12
2016-08-24AirSquirrelsNFno factor TF: 74-75
2016-08-24AirSquirrelsNFno factor TF: 73-74
2016-08-24AirSquirrelsNFno factor TF: 72-73
2016-02-29DerekNFno factor TF: 71-72
2013-10-31SMoffatNFno factor TF: 70-71
2013-02-01Per JessenNFno factor TF: 69-70
2013-01-25Cow_tippingNFno factor TF: 68-69
2011-03-20ccripeNFno factor TF: 67-68
2010-12-30kencid99NFno factor TF: 66-67
2010-12-12Craig MeyersNFno factor TF: 65-66
2010-11-30Architects CubedNFno factor TF: 64-65
2009-05-29Architects CubedNFno factor TF: 63-64