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
332241493
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2975000
B2 = 83300000
LL
StatusDateUserResidueShiftSoftware
Unverified2016-03-04aurashift5927D8EC56BDF4__203719476Linux 64-bit,Prime95,v28.7,build 1
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-03-02Mark RoseNFno factor TF: 80-81
2023-03-02Mark RoseNFno factor TF: 79-80
2023-03-02Mark RoseNFno factor TF: 78-79
2016-03-04aurashiftC-LL5927D8EC56BDF4__
2015-12-02aurashiftNF-PM1B1=2975000, B2=83300000, E=12
2015-11-24srow7NFno factor TF: 77-78
2015-11-08srow7NFno factor TF: 76-77
2011-06-24SETIKAHNFno factor TF: 75-76
2011-06-01SETIKAHNFno factor TF: 74-75
2011-05-12Christian GeschwentnerNFno factor TF: 73-74
2011-04-28Christian GeschwentnerNFno factor TF: 72-73
2010-11-17Team_InspectorNFno factor TF: 71-72
2009-09-21Team_InspectorNFno factor TF: 70-71
2009-05-22Team_InspectorNFno factor TF: 69-70
2009-02-05Team_InspectorNFno factor TF: 68-69