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:










MnStatusDetails
31940219Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 271
P-1
B1 = 1000000
B2 = 30000000
LL
StatusDateUserResidueShift
Verified2006-05-12Brian ReadDB209CE4FD2D8F1E25770851
Verified2014-03-25Architects CubedDB209CE4FD2D8F1E31509558
History
DateUserTypeResult
2021-10-04TheJudgerNF
no factor from 2^74 to 2^75
2021-08-10Sid & AndyNF-PM1
B1=1000000, B2=30000000
2020-04-06-Anonymous-NF
no factor from 2^73 to 2^74
2019-11-29-Anonymous-NF
no factor from 2^72 to 2^73
2019-11-29-Anonymous-NF
no factor from 2^71 to 2^72
2019-01-23-Anonymous-NF
no factor from 2^70 to 2^71
2014-03-25Architects CubedC-LL
DB209CE4FD2D8F1E
2013-04-19Bill StaffenNF
no factor from 2^69 to 2^70
2012-05-14bcp19NF
no factor from 2^68 to 2^69
2011-05-28UngelovendeNF
no factor from 2^67 to 2^68