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
332231989
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2650000
B2 = 42400000
LL
StatusDateUserResidueShiftSoftware
Unverified2021-05-28yphysicsF45873DC3E902F__151516493Windows 64-bit,Prime95,v30.3,build 6
History
DateUserTypeResult
2025-03-28PC410NF-PM1B1=3910000
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-15Mark RoseNFno factor TF: 80-81
2023-02-15Mark RoseNFno factor TF: 79-80
2021-05-28yphysicsC-LLF45873DC3E902F__
2019-08-09yphysicsNF-PM1B1=2650000, B2=42400000
2019-04-05MadPoo 🙂NF-PM1B1=100000
2011-03-18TheJudgerNFno factor TF: 78-79
2011-03-18TheJudgerNFno factor TF: 77-78
2011-03-18TheJudgerNFno factor TF: 76-77
2011-03-18TheJudgerNFno factor TF: 75-76
2011-03-18TheJudgerNFno factor TF: 74-75
2011-02-16Team_InspectorNFno factor TF: 73-74
2011-02-09Team_InspectorNFno factor TF: 72-73
2010-10-18Ethan O'ConnorNFno factor TF: 71-72
2010-07-07Grant McCrackenNFno factor TF: 70-71
2009-08-31Team_InspectorNFno factor TF: 69-70
2009-05-09Team_InspectorNFno factor TF: 68-69