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

PrimeNet Exponent Status

Exponent Range:





MnDetails
332201227
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2830000
B2 = 70042500
LL
StatusDateUserResidueShiftSoftware
Unverified2018-04-17Andrew G31CBACD7BF8213__28864150Windows 64-bit,Prime95,v29.4,build 8
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-09Mark RoseNFno factor TF: 80-81
2023-02-09Mark RoseNFno factor TF: 79-80
2018-04-17Andrew GC-LL31CBACD7BF8213__
2017-10-29Andrew GNF-PM1B1=2830000, B2=70042500, E=6
2011-05-22amphoriaNFno factor TF: 78-79
2011-05-22amphoriaNFno factor TF: 77-78
2011-05-22amphoriaNFno factor TF: 76-77
2011-02-20Sebastian HornbostelNFno factor TF: 75-76
2011-02-15SunfishNFno factor TF: 74-75
2010-03-29Team_InspectorNFno factor TF: 73-74
2010-03-26Team_InspectorNFno factor TF: 72-73
2010-03-25Team_InspectorNFno factor TF: 71-72
2009-07-14Team_InspectorNFno factor TF: 70-71
2008-11-11Team_InspectorNFno factor TF: 69-70
2008-11-11Team_InspectorNFno factor TF: 68-69