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
17579963
Composite: proven not-prime with Lucas-Lehmer test
No factors below 274
TF target 269
P-1
B1 = 1000000
B2 = 1374969750
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
Verified2003-05-11Joe Karr5B0B9132F94EC41213280708Windows,Prime95,v22,(aka WY1)
Verified2006-12-18Jakobus5B0B9132F94EC41212859350Windows,Prime95,v24 final,(aka Wc1)
History
DateUserTypeResult
2024-08-18Jarod McClintockNF-PM1B1=1000000, B2=1374969750
2022-02-04Architects CubedNF-PM1B1=635000, B2=31746000
2022-01-11TheJudgerNFno factor TF: 73-74
2021-11-16RichD0NFno factor TF: 72-73
2021-09-19-anonymous-NFno factor TF: 71-72
2021-09-10SRBaseNFno factor TF: 70-71
2020-04-18lycornNFno factor TF: 69-70
2018-03-20ramgeisNFno factor TF: 68-69
2018-03-20ramgeisNFno factor TF: 67-68
2016-03-19Mark RoseNFno factor TF: 65-66
2014-08-30NesowaNFno factor TF: 66-67
2006-12-18-anonymous-C-LL
5B0B9132F94EC412
2003-05-11-anonymous-C-LL
5B0B9132F94EC412
2002-12-31-anonymous-NF-PM1B1=200000, B2=2250000
2002-01-28FreeTibetNFno factor TF: 1-65
2001-09-16Mike CurtisNFno factor TF: 1-61
2001-03-25Net_ForceNFno factor TF: 1-59
2001-02-18Net_ForceNFno factor TF: 1-58
2000-02-23-anonymous-NFno factor TF: 1-53