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
332229467
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
Unverified2020-09-07Ben F7F9B82FF280124__207416932Mac OS X 64-bit,Prime95,v29.8,build 4
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-21Mark RoseNF-PM1B1=1564000, B2=354419940
2022-12-31Mark RoseNFno factor TF: 80-81
2022-12-31Mark RoseNFno factor TF: 79-80
2022-08-01Team_InspectorNFno factor TF: 78-79
2020-09-07Ben FC-LL7F9B82FF280124__
2019-11-18MadPoo 🙂NF-PM1B1=100000, B2=1000000
2019-03-25MadPoo 🙂NF-PM1B1=100000
2013-11-23bayanneNFno factor TF: 77-78
2013-11-22bayanneNFno factor TF: 76-77
2012-12-09Team_InspectorNFno factor TF: 75-76
2011-04-15Christian GeschwentnerNFno factor TF: 74-75
2010-10-18Team_InspectorNFno factor TF: 73-74
2010-10-12Team_InspectorNFno factor TF: 72-73
2010-10-09Team_InspectorNFno factor TF: 71-72
2010-04-27Grant McCrackenNFno factor TF: 70-71
2009-03-18Team_InspectorNFno factor TF: 69-70
2009-01-05Team_InspectorNFno factor TF: 68-69