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
332399227
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3165000
B2 = 104445000
LL
StatusDateUserResidueShiftSoftware
Unverified2016-04-27aurashiftAD092F570BE127__97641620Linux 64-bit,Prime95,v28.7,build 1
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-27Mark RoseNFno factor TF: 80-81
2023-02-27Mark RoseNFno factor TF: 79-80
2023-02-03Mark RoseNFno factor TF: 78-79
2022-05-06Jon PaceNFno factor TF: 77-78
2016-04-27aurashiftC-LLAD092F570BE127__
2016-03-08aurashiftNFno factor TF: 76-77
2016-02-28aurashiftNF-PM1B1=3165000, B2=104445000, E=12
2015-01-28Jacques MOLNENFno factor TF: 75-76
2015-01-26Jacques MOLNENFno factor TF: 74-75
2015-01-12Jacques MOLNENFno factor TF: 73-74
2013-01-24LaurVNFno factor TF: 72-73
2011-05-02Christian GeschwentnerNFno factor TF: 71-72
2010-09-13Grant McCrackenNFno factor TF: 70-71
2009-07-01unconnectedNFno factor TF: 69-70
2009-07-01unconnectedNFno factor TF: 68-69