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
332327419
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 4785673
B2 = 33385000
LL
StatusDateUserResidueShiftSoftware
Unverified2015-02-10Shnobel631EACF5F5E65B__174371927Windows 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2024-02-21Grant McCrackenNFno factor TF: 68-69
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-27Mark RoseNFno factor TF: 80-81
2022-09-22Naegi MakotoNFno factor TF: 79-80
2022-09-21Naegi MakotoNFno factor TF: 78-79
2022-05-01Jon PaceNFno factor TF: 77-78
2015-02-10ShnobelC-LL631EACF5F5E65B__
2014-07-31ShnobelNFno factor TF: 76-77
2014-07-23ShnobelNF-PM1B1=4785673, B2=33385000
2014-07-07ShnobelNFno factor TF: 75-76
2014-04-20Preben SNFno factor TF: 74-75
2013-12-25Team_InspectorNFno factor TF: 73-74
2013-01-17LaurVNFno factor TF: 72-73
2012-07-07Grant McCrackenNFno factor TF: 71-72
2011-05-17Grant McCrackenNFno factor TF: 70-71
2010-12-12SunfishNFno factor TF: 69-70
2010-04-03Grant McCrackenNFno factor TF: 68-69