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
70184473Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 685000
B2 = 15241250
LL
StatusDateUserResidueShift
Verified2016-11-04VVS77C52711D694EB724712984173
Verified2024-01-31Fabrice BelletC52711D694EB724727116138
History
DateUserTypeResult
2024-01-31Fabrice BelletC-LL
C52711D694EB7247
2016-11-04VVS77C-LL
C52711D694EB7247
2016-04-22-Anonymous-NF
no factor from 2^74 to 2^75
2014-10-08ChuckNF
no factor from 2^73 to 2^74
2014-10-05TheJudgerNF-PM1
B1=685000, B2=15241250, E=12
2014-09-21RichD0NF
no factor from 2^72 to 2^73
2014-09-02srow7NF
no factor from 2^71 to 2^72
2009-07-19binarydigitsNF
no factor to 2^71