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
332248771
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
Unverified2017-04-13aurashiftDB65BF29D79173__297927076Linux 64-bit,Prime95,v29.1,build 8
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-18Mark RoseNFno factor TF: 80-81
2023-02-18Mark RoseNFno factor TF: 79-80
2017-04-13aurashiftC-LLDB65BF29D79173__
2017-02-20aurashiftNF-PM1B1=2860000, B2=75075000, E=12
2013-11-18Bill StaffenNFno factor TF: 78-79
2013-11-17Bill StaffenNFno factor TF: 77-78
2013-10-27Bill StaffenNFno factor TF: 76-77
2013-10-23Bill StaffenNFno factor TF: 75-76
2013-01-09LaurVNFno factor TF: 74-75
2011-05-26RossNFno factor TF: 73-74
2011-05-24Team_InspectorNFno factor TF: 72-73
2011-04-26Christian GeschwentnerNFno factor TF: 71-72
2010-10-21Team_InspectorNFno factor TF: 70-71
2009-04-17Team_InspectorNFno factor TF: 69-70
2009-02-23Team_InspectorNFno factor TF: 68-69