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
49775833TF
No factors below 273
TF target 273
P-1
B1 = 480000
B2 = 9480000
LL
StatusDateUserResidueShift
Verified2012-06-29Stephan GruppE4BA8B01C3E72D7519613263
Verified2019-09-16IronixE4BA8B01C3E72D7545868867
History
DateUserTypeResult
2019-09-16IronixC-LL
E4BA8B01C3E72D75
2018-01-19monstNF
no factor from 2^72 to 2^73
2012-06-29Stephan GruppC-LL
E4BA8B01C3E72D75
2011-12-08ChuckNF-PM1
B1=480000, B2=9480000
2011-11-10BdotNF
no factor from 2^71 to 2^72
2011-11-04BdotNF
no factor from 2^70 to 2^71
2011-11-02BdotNF
no factor from 2^69 to 2^70