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
332230079
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3185000
B2 = 42201250
LL
StatusDateUserResidueShiftSoftware
Unverified2017-01-28Bram Grooten5259EB3FE8C5D2__253218428Windows 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-22Mark RoseNFno factor TF: 80-81
2023-02-22Mark RoseNFno factor TF: 79-80
2023-02-22Mark RoseNFno factor TF: 78-79
2017-01-28Bram GrootenC-LL5259EB3FE8C5D2__
2015-08-23srow7NFno factor TF: 77-78
2009-04-13zetagridNFno factor TF: 76-77
2009-03-31zetagridNF-PM1B1=3185000, B2=42201250
2009-03-08zetagridNFno factor TF: 75-76
2009-01-28zetagridNFno factor TF: 74-75
2009-01-16zetagridNFno factor TF: 73-74
2009-01-10zetagridNFno factor TF: 72-73
2009-01-08zetagridNFno factor TF: 71-72
2009-01-06zetagridNFno factor TF: 70-71
2008-11-15werdwerdusNFno factor TF: 69-70
2008-11-15werdwerdusNFno factor TF: 68-69