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
332251181
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2565000
B2 = 59636250
LL
StatusDateUserResidueShiftSoftware
Unverified2017-04-11aurashiftF9EA1F164EAC41__209661262Linux 64-bit,Prime95,v29.1,build 8
History
DateUserTypeResult
2024-05-06James HeinrichNFno factor TF: 69-70
2023-10-18James HeinrichNFno factor TF: 67-68
2017-04-11aurashiftC-LLF9EA1F164EAC41__
2017-02-25aurashiftNF-PM1B1=2565000, B2=59636250, E=12
2016-05-10dh1NFno factor TF: 80-81
2016-05-10dh1NFno factor TF: 79-80
2016-05-10dh1NFno factor TF: 78-79
2016-05-10dh1NFno factor TF: 77-78
2015-08-22srow7NFno factor TF: 76-77
2012-01-23computer88NFno factor TF: 75-76
2012-01-12computer88NFno factor TF: 74-75
2011-10-15Team_InspectorNFno factor TF: 73-74
2011-08-14Team_InspectorNFno factor TF: 72-73
2011-04-28Christian GeschwentnerNFno factor TF: 71-72
2010-11-22Team_InspectorNFno factor TF: 70-71
2009-09-16Architects CubedNFno factor TF: 69-70
2009-03-01Team_InspectorNFno factor TF: 68-69