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
332220269
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3000000
B2 = 79500000
LL
StatusDateUserResidueShiftSoftware
Unverified2017-03-08SemmZemm84DEC3F7D78B98__310862380Windows 64-bit,Prime95,v28.10,build 1
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-13Mark RoseNFno factor TF: 80-81
2023-02-13Mark RoseNFno factor TF: 79-80
2017-03-08SemmZemmC-LL84DEC3F7D78B98__
2015-06-21aurashiftNF-PM1B1=3000000, B2=79500000, E=12
2011-02-11TheJudgerNFno factor TF: 78-79
2011-02-11TheJudgerNFno factor TF: 76-77
2011-02-11TheJudgerNFno factor TF: 77-78
2011-02-11TheJudgerNFno factor TF: 75-76
2011-02-11TheJudgerNFno factor TF: 74-75
2010-06-17Team_InspectorNFno factor TF: 73-74
2010-06-11Team_InspectorNFno factor TF: 72-73
2009-10-24Team_InspectorNFno factor TF: 71-72
2009-10-23Team_InspectorNFno factor TF: 70-71
2009-02-23Team_InspectorNFno factor TF: 69-70
2008-12-11Team_InspectorNFno factor TF: 68-69