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
332255981
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3105000
B2 = 92373750
LL
StatusDateUserResidueShiftSoftware
Unverified2017-07-24aurashift68FB2FAF0896D2__303118965Linux 64-bit,Prime95,v29.1,build 8
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-21Mark RoseNFno factor TF: 80-81
2023-02-21Mark RoseNFno factor TF: 79-80
2023-02-21Mark RoseNFno factor TF: 78-79
2021-05-06Random GPUsNFno factor TF: 77-78
2017-07-24aurashiftC-LL68FB2FAF0896D2__
2017-06-27aurashiftNF-PM1B1=3105000, B2=92373750, E=12
2011-03-11Tom DuellNFno factor TF: 76-77
2011-03-11Tom DuellNFno factor TF: 75-76
2011-03-11Tom DuellNFno factor TF: 74-75
2011-02-23Team_InspectorNFno factor TF: 73-74
2011-02-20Team_InspectorNFno factor TF: 72-73
2011-01-29Sebastian HornbostelNFno factor TF: 71-72
2011-01-12Team_InspectorNFno factor TF: 70-71
2009-05-31Team_InspectorNFno factor TF: 69-70
2009-03-12Team_InspectorNFno factor TF: 68-69