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
40804781TF
No factors below 274
TF target 272
P-1
B1 = 450000
B2 = 11250000
LL
StatusDateUserResidueShift
Verified2007-12-31C. Cooper / S. BooneF649AA534992DE8532150006
Verified2016-08-08TheJudgerF649AA534992DE8535548731
History
DateUserTypeResult
2020-01-12-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-03-01Bruno VictalNF-PM1
B1=450000, B2=11250000, E=12
2016-08-08TheJudgerC-LL
F649AA534992DE85
2015-06-06Gordon SpenceNF
no factor from 2^71 to 2^72
2015-01-11XyzzyNF
no factor from 2^70 to 2^71
2015-01-11XyzzyNF
no factor from 2^69 to 2^70