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
332251393
Composite: proven not-prime with Lucas-Lehmer test
No factors below 281
TF target 281
P-1
B1 = 2860000
B2 = 75075000
LL
StatusDateUserResidueShiftSoftware
Verified2022-05-17LaurVFBA41C848C8AFC710gpuowl,v6.11-380-g79ea0cc
Verified2022-07-17LaurVFBA41C848C8AFC71272259065Linux64,CUDALucas,v2.06
Verified2023-01-07MadPoo 🙂FBA41C848C8AFC7156311252Windows 64-bit,Prime95,v30.9,build 3
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-19Mark RoseNFno factor TF: 80-81
2023-02-19Mark RoseNFno factor TF: 79-80
2023-01-07MadPoo 🙂C-LLFBA41C848C8AFC71
2022-07-17LaurVC-LLFBA41C848C8AFC71
2022-05-17LaurVC-LLFBA41C848C8AFC71
2017-02-26-anonymous-NF-PM1B1=2860000, B2=75075000, E=12
2013-11-15Bill StaffenNFno factor TF: 78-79
2013-11-14Bill StaffenNFno factor TF: 77-78
2013-10-27Bill StaffenNFno factor TF: 76-77
2012-01-25computer88NFno factor TF: 75-76
2012-01-12computer88NFno factor TF: 74-75
2011-10-18Team_InspectorNFno factor TF: 73-74
2011-08-17Team_InspectorNFno factor TF: 72-73
2011-04-28Christian GeschwentnerNFno factor TF: 71-72
2010-11-25Team_InspectorNFno factor TF: 70-71
2009-09-09Team_InspectorNFno factor TF: 69-70
2009-03-02Team_InspectorNFno factor TF: 68-69