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
332229923
Composite: proven not-prime with Lucas-Lehmer test
No factors below 281
TF target 281
P-1
B1 = 3350000
B2 = 104687500
LL
StatusDateUserResidueShiftSoftware
Bad2016-01-20greg3llB2B7292DC037C838132326023Windows 64-bit,Prime95,v28.5,build 2
Verified2020-01-20Steve SybesmaA9D7913853E32AA0262932559Mac OS X 64-bit,Prime95,v29.8,build 4
Verified2021-01-05Anton RepkoA9D7913853E32AA00gpuowl
History
DateUserTypeResult
2024-08-11Grant McCrackenNFno factor TF: 71-72
2024-03-23Grant McCrackenNFno factor TF: 70-71
2023-10-18James HeinrichNFno factor TF: 67-68
2021-01-05Anton RepkoC-LLA9D7913853E32AA0
2020-06-06Anton RepkoNFno factor TF: 80-81
2020-01-20Steve SybesmaC-LLA9D7913853E32AA0
2016-06-18Random GPUsNFno factor TF: 79-80
2016-06-08Random GPUsNFno factor TF: 78-79
2016-06-04Random GPUsNFno factor TF: 77-78
2016-01-20greg3llC-LLB2B7292DC037C838
2012-08-26greg3llNFno factor TF: 76-77
2012-08-15greg3llNF-PM1B1=3350000, B2=104687500
2011-01-31Sebastian HornbostelNFno factor TF: 75-76
2011-01-31Sebastian HornbostelNFno factor TF: 74-75
2011-01-24Team_InspectorNFno factor TF: 73-74
2011-01-18Team_InspectorNFno factor TF: 72-73
2010-10-13Ethan O'ConnorNFno factor TF: 71-72
2010-07-07Grant McCrackenNFno factor TF: 70-71
2009-03-21Team_InspectorNFno factor TF: 69-70
2009-01-07Team_InspectorNFno factor TF: 68-69