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
332197339
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 282
TF target 281
P-1
B1 = 3150000
B2 = 88200000
LL
StatusDateUserResidueShiftSoftware
Unverified2020-10-31ChelleBE932E47F3E9D8__142560634Windows 64-bit,Prime95,v30.3,build 6
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2020-10-31ChelleC-LLBE932E47F3E9D8__
2020-08-04Albrecht HeefferNFno factor TF: 81-82
2020-08-04Albrecht HeefferNFno factor TF: 80-81
2020-08-03Albrecht HeefferNFno factor TF: 79-80
2016-06-01-anonymous-NFno factor TF: 78-79
2015-06-19aurashiftNF-PM1B1=3150000, B2=88200000, E=12
2015-02-11Team_InspectorNFno factor TF: 77-78
2014-04-28Team_InspectorNFno factor TF: 76-77
2010-12-04Rob PazdziorNFno factor TF: 75-76
2009-07-21SunfishNFno factor TF: 74-75
2009-06-20SunfishNFno factor TF: 73-74
2009-06-17SunfishNFno factor TF: 72-73
2009-06-15SunfishNFno factor TF: 71-72
2008-10-10Team_InspectorNFno factor TF: 70-71
2008-10-10Team_InspectorNFno factor TF: 69-70
2008-10-10Team_InspectorNFno factor TF: 68-69