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
332257841
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3235000
B2 = 81683750
LL
StatusDateUserResidueShiftSoftware
Unverified2018-09-27IIRyskII8142225EF75EDE__106560417Windows 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-21Mark RoseNFno factor TF: 80-81
2023-02-21Mark RoseNFno factor TF: 79-80
2023-02-21Mark RoseNFno factor TF: 78-79
2021-05-10Random GPUsNFno factor TF: 77-78
2018-09-27IIRyskIIC-LL8142225EF75EDE__
2013-07-21EratosthenesNF-PM1B1=3235000, B2=81683750
2011-04-04Tom DuellNFno factor TF: 76-77
2011-04-04Tom DuellNFno factor TF: 75-76
2011-04-04Tom DuellNFno factor TF: 74-75
2011-04-04Tom DuellNFno factor TF: 73-74
2011-03-27Team_InspectorNFno factor TF: 72-73
2011-03-24Team_InspectorNFno factor TF: 71-72
2011-02-11Team_InspectorNFno factor TF: 70-71
2009-06-15Team_InspectorNFno factor TF: 69-70
2009-03-16Team_InspectorNFno factor TF: 68-69