Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
332217433
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3290000
B2 = 76492500
LL
StatusDateUserResidueShiftSoftware
Unverified2017-04-21Iwin9782376F262375__237303732Windows 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-12Mark RoseNFno factor TF: 80-81
2023-02-12Mark RoseNFno factor TF: 79-80
2017-04-21IwinC-LL9782376F262375__
2013-07-13Bill StaffenNFno factor TF: 78-79
2013-07-12Bill StaffenNFno factor TF: 77-78
2013-07-12Bill StaffenNFno factor TF: 76-77
2013-02-20Team_InspectorNF-PM1B1=3290000, B2=76492500
2011-08-30ChuckNFno factor TF: 75-76
2011-06-16SunfishNFno factor TF: 74-75
2010-08-10Team_InspectorNFno factor TF: 73-74
2009-11-26ALTNFno factor TF: 72-73
2008-12-08werdwerdusNFno factor TF: 71-72
2008-12-08werdwerdusNFno factor TF: 70-71
2008-12-07werdwerdusNFno factor TF: 69-70
2008-12-07werdwerdusNFno factor TF: 68-69