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
332263999
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2995000
B2 = 76372500
LL
StatusDateUserResidueShiftSoftware
Unverified2015-01-21Jeremie ForestDECDD37A09C00D__119767888Windows 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-22Mark RoseNFno factor TF: 80-81
2023-02-22Mark RoseNFno factor TF: 79-80
2015-01-21Jeremie ForestC-LLDECDD37A09C00D__
2014-04-13Jeremie ForestNF-PM1B1=2995000, B2=76372500, E=6
2013-12-20Bill StaffenNFno factor TF: 78-79
2013-12-07Bill StaffenNFno factor TF: 77-78
2013-10-27Bill StaffenNFno factor TF: 76-77
2013-10-23Bill StaffenNFno factor TF: 75-76
2013-06-21Team_InspectorNFno factor TF: 74-75
2011-06-28Christian GeschwentnerNFno factor TF: 73-74
2011-06-20Christian GeschwentnerNFno factor TF: 72-73
2011-04-01Grant McCrackenNFno factor TF: 71-72
2011-03-31Grant McCrackenNFno factor TF: 70-71
2009-12-10Grant McCrackenNFno factor TF: 69-70
2009-05-29Team_InspectorNFno factor TF: 68-69