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
42172219TF
No factors below 273
TF target 272
P-1
B1 = 380000
B2 = 1900000
LL
StatusDateUserResidueShift
Verified2008-05-11Ahmer Ali994B6710C8BFD0A040267043
Verified2017-12-21argilo994B6710C8BFD0A08825889
History
DateUserTypeResult
2022-05-04RichD0NF
no factor from 2^72 to 2^73
2017-12-21argiloC-LL
994B6710C8BFD0A0
2015-09-25AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-13Mark RoseNF
no factor from 2^70 to 2^71
2015-01-19Mark RoseNF
no factor from 2^69 to 2^70