Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
149801237No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 774000
B2 = 37626540
History
DateUserTypeResult
2025-09-19JohnnyBGoodNF
no factor from 2^77 to 2^78
2025-02-21JacobZNF
no factor from 2^76 to 2^77
2024-09-20Ryan PropperNF-PM1
B1=774000, B2=37626540
2024-07-31SRBaseNF
no factor from 2^75 to 2^76
2023-02-06SRBaseNF
no factor from 2^74 to 2^75
2021-11-15SRBaseNF
no factor from 2^73 to 2^74
2017-08-21Sergey NosovNF
no factor from 2^72 to 2^73
2017-01-31naturegeakNF
no factor from 2^71 to 2^72
2016-06-21Josh FamestadNF
no factor from 2^70 to 2^71
2016-04-17La GüiraNF
no factor from 2^69 to 2^70
2016-04-17La GüiraNF
no factor from 2^68 to 2^69
2016-03-27DerekNF
no factor from 2^67 to 2^68
2015-03-18Mr-PlonkNF
no factor from 2^66 to 2^67
2013-01-18RichardNF
no factor from 2^65 to 2^66
2011-01-10Charles A. MorrisNF
no factor from 2^64 to 2^65