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:










MnStatusDetails
34218923Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 271
P-1
B1 = 400000
B2 = 10600000
LL
StatusDateUserResidueShift
Verified2005-08-16Mischa KennA8CDB3761F7120B418267566
Verified2015-04-19blipA8CDB3761F7120B418298619
History
DateUserTypeResult
2024-05-25ChuckNF
no factor from 2^68 to 2^69
2020-03-13-Anonymous-NF
no factor from 2^73 to 2^74
2019-11-15-Anonymous-NF
no factor from 2^72 to 2^73
2019-11-15-Anonymous-NF
no factor from 2^71 to 2^72
2015-04-19blipC-LL
A8CDB3761F7120B4
2014-08-10monstNF
no factor from 2^70 to 2^71
2014-05-20VictordeHollanderNF
no factor from 2^69 to 2^70
2013-02-10Carsten KossendeyNF
no factor from 2^68 to 2^69