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
332309371
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 1564000
B2 = 354419940
LL
StatusDateUserResidueShiftSoftware
Unverified2016-12-28Mark CoccimiglioF70483336A05DE__31180666Linux 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2024-09-24Grant McCrackenNFno factor TF: 71-72
2024-04-22Grant McCrackenNFno factor TF: 70-71
2023-10-18James HeinrichNFno factor TF: 67-68
2023-04-19Mark RoseNF-PM1B1=1564000, B2=354419940
2023-01-20Mark RoseNFno factor TF: 80-81
2023-01-20Mark RoseNFno factor TF: 79-80
2020-09-18Runtime ErrorNFno factor TF: 78-79
2020-09-16Team_InspectorNFno factor TF: 77-78
2016-12-31Grant McCrackenNFno factor TF: 76-77
2016-12-28Mark CoccimiglioC-LLF70483336A05DE__
2013-05-13Team_InspectorNFno factor TF: 75-76
2013-05-07Team_InspectorNFno factor TF: 74-75
2013-05-04Team_InspectorNFno factor TF: 73-74
2013-01-15LaurVNFno factor TF: 72-73
2012-04-29Team_InspectorNFno factor TF: 71-72
2011-05-16Grant McCrackenNFno factor TF: 70-71
2010-05-25SunfishNFno factor TF: 69-70
2009-08-10Team_InspectorNFno factor TF: 68-69