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
332230231
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
Unverified2015-09-06LookAS0F718781810484__313192541Windows 64-bit,Prime95,v28.7,build 1
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-15Mark RoseNFno factor TF: 80-81
2023-02-15Mark RoseNFno factor TF: 79-80
2015-09-06LookASC-LL0F718781810484__
2015-06-22LookASNF-PM1B1=2860000, B2=75075000, E=12
2011-02-20TheJudgerNFno factor TF: 77-78
2011-02-20TheJudgerNFno factor TF: 78-79
2011-02-20TheJudgerNFno factor TF: 76-77
2011-02-20TheJudgerNFno factor TF: 75-76
2011-02-20TheJudgerNFno factor TF: 74-75
2010-06-15Team_InspectorNFno factor TF: 73-74
2010-06-09Team_InspectorNFno factor TF: 72-73
2010-06-06Team_InspectorNFno factor TF: 71-72
2009-03-31Team_InspectorNFno factor TF: 70-71
2008-11-16werdwerdusNFno factor TF: 69-70
2008-11-16werdwerdusNFno factor TF: 68-69