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
143784857No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 1250000
B2 = 1412603610
History
DateUserTypeResult
2025-06-04JacobZNF
no factor from 2^77 to 2^78
2025-05-07Kyle AskineNF
no factor from 2^76 to 2^77
2024-10-07Luke DurantNF-PM1
B1=1250000, B2=1412603610
2024-08-15tbusbyNF
no factor from 2^68 to 2^69
2019-05-14Franklin WebberNF
no factor from 2^75 to 2^76
2019-05-14Franklin WebberNF
no factor from 2^74 to 2^75
2019-05-14Franklin WebberNF
no factor from 2^73 to 2^74
2019-05-14Franklin WebberNF
no factor from 2^72 to 2^73
2017-02-18arnaudNF
no factor from 2^71 to 2^72
2017-02-18guruNF
no factor from 2^70 to 2^71
2017-02-13JoDuNF
no factor from 2^69 to 2^70
2016-04-18DerekNF
no factor from 2^68 to 2^69
2016-03-31dbaughNF
no factor from 2^67 to 2^68
2015-02-27taffaNF
no factor from 2^66 to 2^67
2012-12-16GrunwalderGIMPNF
no factor from 2^65 to 2^66
2010-12-21James HintzNF
no factor from 2^64 to 2^65
2010-06-17subgeniusNF
no factor from 2^63 to 2^64