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
332225239
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2830000
B2 = 70042500
LL
StatusDateUserResidueShiftSoftware
Unverified2018-11-16fdlr53531E1847CB55__174102194Linux 64-bit,Prime95,v29.4,build 8
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-13Mark RoseNFno factor TF: 80-81
2023-02-13Mark RoseNFno factor TF: 79-80
2018-11-16fdlrC-LL53531E1847CB55__
2017-12-26Nick UptonNF-PM1B1=2830000, B2=70042500, E=6
2013-07-20Bill StaffenNFno factor TF: 78-79
2013-07-19Bill StaffenNFno factor TF: 77-78
2010-08-06amphoriaNFno factor TF: 76-77
2010-08-06amphoriaNFno factor TF: 75-76
2010-08-06amphoriaNFno factor TF: 74-75
2010-08-06amphoriaNFno factor TF: 73-74
2010-08-06amphoriaNFno factor TF: 72-73
2010-05-24Team_InspectorNFno factor TF: 71-72
2010-02-12Grant McCrackenNFno factor TF: 70-71
2009-08-30Team_InspectorNFno factor TF: 69-70
2008-12-24Team_InspectorNFno factor TF: 68-69