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
332257897
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
Unverified2017-06-08aurashift3AB0CFD41BF21D__102781205Linux 64-bit,Prime95,v29.1,build 8
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-21Mark RoseNFno factor TF: 80-81
2023-02-21Mark RoseNFno factor TF: 79-80
2023-02-21Mark RoseNFno factor TF: 78-79
2021-05-10Random GPUsNFno factor TF: 77-78
2017-06-08aurashiftC-LL3AB0CFD41BF21D__
2017-04-24aurashiftNF-PM1B1=3100000, B2=93000000, E=12
2011-04-04Tom DuellNFno factor TF: 76-77
2011-04-04Tom DuellNFno factor TF: 75-76
2011-04-04Tom DuellNFno factor TF: 74-75
2011-04-04Tom DuellNFno factor TF: 73-74
2011-03-31Team_InspectorNFno factor TF: 72-73
2011-03-29Team_InspectorNFno factor TF: 71-72
2011-02-13Team_InspectorNFno factor TF: 70-71
2009-06-16Team_InspectorNFno factor TF: 69-70
2009-03-16Team_InspectorNFno factor TF: 68-69