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
332196607
Composite: proven not-prime with Lucas-Lehmer test
No factors below 281
TF target 281
P-1
B1 = 1900000
B2 = 80000000
LL
StatusDateUserResidueShiftSoftware
Verified2018-05-16EvanF1F1D1E08C84B63C145247604Mac OS X 64-bit,Prime95,v29.4,build 7
Verified2022-09-10KrieselF1F1D1E08C84B63C0gpuowl,v6.11-380-g79ea0cc
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2022-09-10KrieselC-LL
F1F1D1E08C84B63C
2021-06-01KrieselNFno factor TF: 80-81
2021-05-30KrieselNF-PM1B1=1900000, B2=80000000
2018-05-16EvanC-LL
F1F1D1E08C84B63C
2017-07-18Ravasio GabrieleNF-PM1B1=3610000
2011-01-29amphoriaNFno factor TF: 79-80
2011-01-29amphoriaNFno factor TF: 78-79
2011-01-29amphoriaNFno factor TF: 77-78
2011-01-29amphoriaNFno factor TF: 76-77
2010-04-11LnofeisoneNFno factor TF: 75-76
2010-01-26SunfishNFno factor TF: 74-75
2010-01-20SunfishNFno factor TF: 73-74
2010-01-17SunfishNFno factor TF: 72-73
2009-12-30Team_InspectorNFno factor TF: 71-72
2008-12-29Team_InspectorNFno factor TF: 70-71
2008-10-05Team_InspectorNFno factor TF: 69-70
2008-10-05Team_InspectorNFno factor TF: 68-69