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
332239253
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2840000
B2 = 53960000
LL
StatusDateUserResidueShiftSoftware
Unverified2017-01-21aurashiftDEF608388DE3BA__23015526Linux 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
2017-01-21aurashiftC-LLDEF608388DE3BA__
2013-10-23shengNF-PM1B1=2840000, B2=53960000, E=2
2013-09-30Bill StaffenNFno factor TF: 78-79
2013-09-30Bill StaffenNFno factor TF: 77-78
2013-09-30Bill StaffenNFno factor TF: 76-77
2013-09-29Bill StaffenNFno factor TF: 75-76
2013-09-29Bill StaffenNFno factor TF: 74-75
2011-02-12Team_InspectorNFno factor TF: 73-74
2009-06-29Team_InspectorNFno factor TF: 72-73
2009-06-26Team_InspectorNFno factor TF: 71-72
2009-06-24Team_InspectorNFno factor TF: 70-71
2009-05-03Team_InspectorNFno factor TF: 69-70
2009-01-30Team_InspectorNFno factor TF: 68-69