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
332226779
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2825000
B2 = 51556250
LL
StatusDateUserResidueShiftSoftware
Unverified2019-05-21arnaud7C78028EA1ED2C__118757607Windows 64-bit,Prime95,v29.4,build 7
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-20Mark RoseNFno factor TF: 80-81
2023-02-20Mark RoseNFno factor TF: 79-80
2023-02-20Mark RoseNFno factor TF: 78-79
2019-05-21arnaudC-LL7C78028EA1ED2C__
2019-03-14arnaudNF-PM1B1=2825000, B2=51556250
2016-04-17el groccoNFno factor TF: 77-78
2015-10-10Grant McCrackenNFno factor TF: 76-77
2011-02-02Sebastian HornbostelNFno factor TF: 75-76
2010-03-17johnzanNFno factor TF: 74-75
2010-03-12johnzanNFno factor TF: 73-74
2010-02-05TydusNFno factor TF: 72-73
2010-01-19Team_InspectorNFno factor TF: 71-72
2010-01-18Team_InspectorNFno factor TF: 70-71
2009-09-01Team_InspectorNFno factor TF: 69-70
2008-12-29Team_InspectorNFno factor TF: 68-69