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
332208581
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
Unverified2016-06-27aurashift536BFBF4194691__211385618Linux 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2016-06-27aurashiftC-LL536BFBF4194691__
2016-05-08aurashiftNF-PM1B1=2565000, B2=59636250, E=12
2013-06-16MikeBerlinNFno factor TF: 80-81
2013-06-12MikeBerlinNFno factor TF: 79-80
2013-06-10MikeBerlinNFno factor TF: 78-79
2013-06-09MikeBerlinNFno factor TF: 77-78
2013-06-08MikeBerlinNFno factor TF: 76-77
2011-05-23Sebastian HornbostelNFno factor TF: 75-76
2011-05-20SunfishNFno factor TF: 74-75
2010-02-24Team_InspectorNFno factor TF: 73-74
2009-12-10Team_InspectorNFno factor TF: 72-73
2009-11-01Team_InspectorNFno factor TF: 71-72
2009-01-25zetagridNFno factor TF: 70-71
2009-01-21zetagridNFno factor TF: 69-70
2009-01-11Team_InspectorNFno factor TF: 68-69