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
332238041
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2980000
B2 = 81950000
LL
StatusDateUserResidueShiftSoftware
Unverified2017-10-07Icarus09649202B65F09__223405584Windows 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-14Mark RoseNFno factor TF: 80-81
2023-02-14Mark RoseNFno factor TF: 79-80
2023-02-14Mark RoseNFno factor TF: 78-79
2017-10-07IcarusC-LL09649202B65F09__
2016-11-19IcarusNF-PM1B1=2980000, B2=81950000, E=6
2015-09-08NRNFno factor TF: 77-78
2011-03-15Tom DuellNFno factor TF: 76-77
2011-03-15Tom DuellNFno factor TF: 75-76
2009-07-14ANONYMOUSNFno factor TF: 74-75
2009-07-07ANONYMOUSNFno factor TF: 73-74
2009-07-03ANONYMOUSNFno factor TF: 72-73
2009-07-01ANONYMOUSNFno factor TF: 71-72
2009-05-22Jakub PrabuckiNFno factor TF: 70-71
2009-05-12Team_InspectorNFno factor TF: 69-70
2009-01-29Team_InspectorNFno factor TF: 68-69