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
41701721TF
No factors below 276
TF target 272
P-1
B1 = 380000
B2 = 1900000
LL
StatusDateUserResidueShift
Verified2008-03-05C. Cooper / S. Boone3344C350BB33130822662127
Verified2017-10-23S4851223344C350BB33130837846939
History
DateUserTypeResult
2021-02-13-Anonymous-NF
no factor from 2^75 to 2^76
2021-02-07-Anonymous-NF
no factor from 2^74 to 2^75
2020-01-01-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-10-23S485122C-LL
3344C350BB331308
2015-09-12AirSquirrelsNF
no factor from 2^71 to 2^72
2015-02-12Mark RoseNF
no factor from 2^70 to 2^71
2015-01-27blipNF
no factor from 2^69 to 2^70