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

PrimeNet Exponent Status

Exponent Range:





MnDetails
80151979
Composite: proven not-prime with Lucas-Lehmer test
No factors below 276
TF target 275
P-1
B1 = 670000
B2 = 12897500
LL
StatusDateUserResidueShiftSoftware
Bad2017-10-08ericnm1BBBB046214C249269353549Windows 64-bit,Prime95,v27.9,build 1
Verified2018-11-16ATHC9C53B39739F30CB40082440CUDALucas v2.06beta
Verified2019-04-18endless_mikeC9C53B39739F30CB8478738Linux 64-bit,Prime95,v29.4,build 8
History
DateUserTypeResult
2025-08-15Kyle AskineNFno factor TF: 75-76
2019-04-18endless_mikeC-LLC9C53B39739F30CB
2018-11-16ATHC-LLC9C53B39739F30CB
2017-10-08ericnmC-LL1BBBB046214C2492
2016-12-16Dt12NF-PM1B1=670000, B2=12897500
2016-09-18Brian BeuningNFno factor TF: 74-75
2016-09-18Brian BeuningNFno factor TF: 73-74
2016-09-18Brian BeuningNFno factor TF: 72-73
2014-03-02SMoffatNFno factor TF: 71-72
2013-06-01SMoffatNFno factor TF: 70-71
2013-02-02SMoffatNFno factor TF: 69-70
2013-01-31SMoffatNFno factor TF: 68-69
2013-01-30rjbelansNFno factor TF: 67-68
2013-01-26phoenicisNFno factor TF: 66-67
2011-01-10Charles A. MorrisNFno factor TF: 65-66
2010-12-03Architects CubedNFno factor TF: 64-65