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

PrimeNet Exponent Status

Exponent Range:





MnDetails
332298721
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
Unverified2019-09-17yphysics31FA686A177FEE__97083410Windows 64-bit,Prime95,v29.5,(aka Wh4)
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-01Mark RoseNF-PM1B1=1564000, B2=354419940
2022-09-10KrieselNFno factor TF: 80-81
2022-09-10KrieselNFno factor TF: 79-80
2022-08-04Team_InspectorNFno factor TF: 78-79
2019-09-17yphysicsC-LL31FA686A177FEE__
2019-04-01MadPoo 🙂NF-PM1B1=100000
2016-07-22Mark RoseNFno factor TF: 77-78
2016-07-22Mark RoseNFno factor TF: 76-77
2014-07-10srow7NFno factor TF: 75-76
2013-10-07ktonyNFno factor TF: 74-75
2013-03-10-anonymous-NFno factor TF: 73-74
2013-01-11-anonymous-NFno factor TF: 72-73
2012-04-17Grant McCrackenNFno factor TF: 71-72
2011-07-13Grant McCrackenNFno factor TF: 70-71
2010-09-23SunfishNFno factor TF: 69-70
2009-07-18SunfishNFno factor TF: 68-69