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
332252861
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3100000
B2 = 93000000
LL
StatusDateUserResidueShiftSoftware
Unverified2016-04-26aurashiftC539C70F2F213D__322425643Linux 64-bit,Prime95,v28.7,build 1
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-20Mark RoseNFno factor TF: 80-81
2023-02-20Mark RoseNFno factor TF: 79-80
2017-02-02BloodIceNFno factor TF: 78-79
2017-01-26BloodIceNFno factor TF: 77-78
2016-04-26aurashiftC-LLC539C70F2F213D__
2016-03-01aurashiftNF-PM1B1=3100000, B2=93000000, E=12
2016-02-25Grant McCrackenNFno factor TF: 76-77
2014-11-15Team_InspectorNFno factor TF: 75-76
2013-01-09LaurVNFno factor TF: 74-75
2011-11-30Team_InspectorNFno factor TF: 73-74
2011-09-01Team_InspectorNFno factor TF: 72-73
2011-04-30Christian GeschwentnerNFno factor TF: 71-72
2010-12-18Team_InspectorNFno factor TF: 70-71
2009-09-12Team_InspectorNFno factor TF: 69-70
2009-03-05Team_InspectorNFno factor TF: 68-69