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
332216281
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 5670000
B2 = 5670000
LL
StatusDateUserResidueShiftSoftware
Unverified2015-09-08Robert Folz211310F308925D__205927640Windows 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-15Mark RoseNFno factor TF: 80-81
2023-02-15Mark RoseNFno factor TF: 79-80
2023-02-15Mark RoseNFno factor TF: 78-79
2021-03-20Random GPUsNFno factor TF: 77-78
2015-09-08Robert FolzC-LL211310F308925D__
2009-07-26Todd A. HayesNFno factor TF: 76-77
2009-06-03Todd A. HayesNFno factor TF: 75-76
2009-05-08Todd A. HayesNF-PM1B1=5670000
2009-01-24Todd A. HayesNFno factor TF: 74-75
2008-12-16Todd A. HayesNFno factor TF: 73-74
2008-12-04KYOJI_KAMEINFno factor TF: 72-73
2008-11-26KYOJI_KAMEINFno factor TF: 71-72
2008-11-22KYOJI_KAMEINFno factor TF: 70-71
2008-11-16werdwerdusNFno factor TF: 69-70
2008-11-16werdwerdusNFno factor TF: 68-69