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
332204471
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2810000
B2 = 60415000
LL
StatusDateUserResidueShiftSoftware
Unverified2018-09-18Matthew Millar670EA558FD1E31__194233368Windows Service,Prime95,v28.9,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-10Mark RoseNFno factor TF: 80-81
2023-02-10Mark RoseNFno factor TF: 79-80
2018-09-18Matthew MillarC-LL670EA558FD1E31__
2016-09-23Matthew MillarNF-PM1B1=2810000, B2=60415000
2011-05-01amphoriaNFno factor TF: 78-79
2011-05-01amphoriaNFno factor TF: 77-78
2011-05-01amphoriaNFno factor TF: 76-77
2011-05-01amphoriaNFno factor TF: 75-76
2011-03-31SunfishNFno factor TF: 74-75
2010-06-17Team_InspectorNFno factor TF: 73-74
2010-06-15Team_InspectorNFno factor TF: 72-73
2009-07-27DougalNFno factor TF: 71-72
2009-03-13Team_InspectorNFno factor TF: 70-71
2008-12-03Team_InspectorNFno factor TF: 69-70
2008-12-03Team_InspectorNFno factor TF: 68-69