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
77569097
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 274
P-1
B1 = 675000
B2 = 13668750
LL
StatusDateUserResidueShiftSoftware
Verified2017-06-24patgieD11E3F4588E6DACA21224843Windows 64-bit,Prime95,v26,(aka We4)
Verified2025-07-15ANONYMOUSD11E3F4588E6DACA33782211Windows 64-bit,Prime95,v28.7,build 1
History
DateUserTypeResult
2025-07-15ANONYMOUSC-LLD11E3F4588E6DACA
2017-06-24patgieC-LLD11E3F4588E6DACA
2016-05-01TheJudgerNF-PM1B1=675000, B2=13668750, E=12
2016-04-27AirSquirrelsNFno factor TF: 74-75
2016-04-27AirSquirrelsNFno factor TF: 73-74
2016-04-06cuBerBruceNFno factor TF: 72-73
2016-04-03Mark RoseNFno factor TF: 53-64
2015-12-16el groccoNFno factor TF: 71-72
2013-05-21SMoffatNFno factor TF: 70-71
2011-03-02eon_blue_apocalypseNFno factor TF: 69-70
2011-02-27Helmut ZulusNFno factor TF: 68-69
2011-02-19forrest-lumpkinNFno factor TF: 67-68
2010-12-17Fred CireraNFno factor TF: 66-67
2010-12-13greensinozNFno factor TF: 65-66
2010-12-12symalladNFno factor TF: 64-65
2000-08-17-anonymous-NFno factor TF: 1-53