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
332225527
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 1259000
B2 = 63928410
LL
StatusDateUserResidueShiftSoftware
Unverified2017-06-12christian_53EA0EFD427E1D__225888520Windows 64-bit,Prime95,v28.9,build 2
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
2022-10-14KrieselNF-PM1B1=1259000, B2=63928410
2017-06-12christian_C-LL53EA0EFD427E1D__
2016-10-10christian_NF-PM1B1=3910000
2011-04-21TheJudgerNFno factor TF: 78-79
2011-04-21TheJudgerNFno factor TF: 77-78
2011-04-21TheJudgerNFno factor TF: 76-77
2011-04-21TheJudgerNFno factor TF: 75-76
2011-04-07Christian GeschwentnerNFno factor TF: 74-75
2010-06-04Team_InspectorNFno factor TF: 73-74
2010-05-29Team_InspectorNFno factor TF: 72-73
2010-02-22Team_InspectorNFno factor TF: 71-72
2010-02-18Grant McCrackenNFno factor TF: 70-71
2009-03-10Team_InspectorNFno factor TF: 69-70
2008-12-25Team_InspectorNFno factor TF: 68-69