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
332222797
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3285000
B2 = 73912500
LL
StatusDateUserResidueShiftSoftware
Unverified2015-05-28Preben SE38667690FB70D__229510831Linux 64-bit,Prime95,v28.5,build 1
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
2015-05-28Preben SC-LLE38667690FB70D__
2013-07-14Bill StaffenNFno factor TF: 78-79
2013-07-13Bill StaffenNFno factor TF: 77-78
2010-01-27Tim MyersNFno factor TF: 76-77
2010-01-12Tim MyersNFno factor TF: 75-76
2010-01-05Tim MyersNF-PM1B1=3285000, B2=73912500
2009-01-14maddaNFno factor TF: 74-75
2008-12-31maddaNFno factor TF: 73-74
2008-12-22maddaNFno factor TF: 72-73
2008-12-21maddaNFno factor TF: 71-72
2008-12-20maddaNFno factor TF: 70-71
2008-12-20maddaNFno factor TF: 69-70
2008-12-17Team_InspectorNFno factor TF: 68-69