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
332299507
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 1564000
B2 = 354419940
LL
StatusDateUserResidueShiftSoftware
Unverified2019-09-12yphysics09CD28A971B2B3__34345625Windows 64-bit,Prime95,v26,(aka We4)
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-18Mark RoseNF-PM1B1=1564000, B2=354419940
2023-01-11Mark RoseNFno factor TF: 80-81
2023-01-11Mark RoseNFno factor TF: 79-80
2022-08-05Team_InspectorNFno factor TF: 78-79
2019-09-12yphysicsC-LL09CD28A971B2B3__
2019-04-05MadPoo 🙂NF-PM1B1=100000
2015-12-03srow7NFno factor TF: 77-78
2015-11-23srow7NFno factor TF: 76-77
2014-07-29Travis Glenn RussoNFno factor TF: 75-76
2013-04-04santa_ryanNFno factor TF: 74-75
2013-03-10santa_ryanNFno factor TF: 73-74
2013-01-02-anonymous-NFno factor TF: 72-73
2012-04-20Team_InspectorNFno factor TF: 71-72
2011-07-11Grant McCrackenNFno factor TF: 70-71
2010-09-26SunfishNFno factor TF: 69-70
2009-07-19SunfishNFno factor TF: 68-69