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
332217511
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2860000
B2 = 75075000
LL
StatusDateUserResidueShiftSoftware
Unverified2018-08-17Ahmed AzhadB68F4E3B454E99__67045844Windows 64-bit,Prime95,v29.4,build 8
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-12Mark RoseNFno factor TF: 80-81
2018-08-17Ahmed AzhadC-LLB68F4E3B454E99__
2016-10-23Ahmed AzhadNFno factor TF: 79-80
2016-09-03aurashiftNF-PM1B1=2860000, B2=75075000, E=12
2015-10-14NRNFno factor TF: 78-79
2015-10-14NRNFno factor TF: 77-78
2015-10-14NRNFno factor TF: 76-77
2013-01-14Team_InspectorNFno factor TF: 75-76
2011-06-28SunfishNFno factor TF: 74-75
2010-10-23SunfishNFno factor TF: 73-74
2010-10-20SunfishNFno factor TF: 72-73
2008-12-15werdwerdusNFno factor TF: 71-72
2008-12-15werdwerdusNFno factor TF: 70-71
2008-12-15werdwerdusNFno factor TF: 69-70
2008-12-14werdwerdusNFno factor TF: 68-69