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
332277559
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3345000
B2 = 98677500
LL
StatusDateUserResidueShiftSoftware
Unverified2013-11-23Street_Photographer85DDE5853A6E80__28997361Windows 64-bit,Prime95,v27.9,build 1
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-23Mark RoseNFno factor TF: 80-81
2023-02-23Mark RoseNFno factor TF: 79-80
2023-02-23Mark RoseNFno factor TF: 78-79
2021-06-08Random GPUsNFno factor TF: 77-78
2013-11-23Street_PhotographerC-LL85DDE5853A6E80__
2013-03-11Street_PhotographerNFno factor TF: 76-77
2013-03-02Street_PhotographerNF-PM1B1=3345000, B2=98677500
2013-02-16Street_PhotographerNFno factor TF: 75-76
2013-02-10Street_PhotographerNFno factor TF: 74-75
2013-01-14Team_InspectorNFno factor TF: 73-74
2012-03-17Team_InspectorNFno factor TF: 72-73
2011-11-06Grant McCrackenNFno factor TF: 71-72
2011-07-17Grant McCrackenNFno factor TF: 70-71
2010-05-11Grant McCrackenNFno factor TF: 69-70
2009-07-14SunfishNFno factor TF: 68-69