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
332387581
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3235000
B2 = 80875000
LL
StatusDateUserResidueShiftSoftware
Unverified2016-06-02Brett Walker0E7F0B644B89B8__167607340Windows 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2024-03-08Grant McCrackenNFno factor TF: 68-69
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-27Mark RoseNFno factor TF: 80-81
2023-02-27Mark RoseNFno factor TF: 79-80
2023-02-03Mark RoseNFno factor TF: 78-79
2022-05-06Jon PaceNFno factor TF: 77-78
2016-06-02Brett WalkerC-LL0E7F0B644B89B8__
2013-12-30Brett WalkerNF-PM1B1=3235000, B2=80875000
2011-01-20Tom DuellNFno factor TF: 76-77
2011-01-18Tom DuellNFno factor TF: 75-76
2011-01-18Tom DuellNFno factor TF: 74-75
2011-01-18Tom DuellNFno factor TF: 73-74
2011-01-18Tom DuellNFno factor TF: 72-73
2011-01-18Tom DuellNFno factor TF: 71-72
2011-01-16Grant McCrackenNFno factor TF: 70-71
2010-07-20Grant McCrackenNFno factor TF: 69-70
2010-03-08Grant McCrackenNFno factor TF: 68-69