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
332299579
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3255000
B2 = 67541250
LL
StatusDateUserResidueShiftSoftware
Unverified2017-04-13notbutter99A97517839514__116619121Windows 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-25Mark RoseNFno factor TF: 80-81
2023-02-25Mark RoseNFno factor TF: 79-80
2023-02-25Mark RoseNFno factor TF: 78-79
2021-07-01Random GPUsNFno factor TF: 77-78
2017-04-13notbutterC-LL99A97517839514__
2013-03-23zampelNFno factor TF: 76-77
2013-03-13zampelNF-PM1B1=3255000, B2=67541250
2013-03-01zampelNFno factor TF: 75-76
2013-02-23zampelNFno factor TF: 74-75
2013-02-21zampelNFno factor TF: 73-74
2013-01-11-anonymous-NFno factor TF: 72-73
2012-04-23Team_InspectorNFno factor TF: 71-72
2011-07-15Grant McCrackenNFno factor TF: 70-71
2010-09-26SunfishNFno factor TF: 69-70
2009-07-20SunfishNFno factor TF: 68-69