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
150081053No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 1183000
B2 = 550404750
History
DateUserTypeResult
2025-07-25Yu ZhuNF
no factor from 2^77 to 2^78
2025-01-22Addison FischerNF
no factor from 2^76 to 2^77
2024-09-16Simon JosefssonNF-PM1
B1=1183000, B2=550404750
2024-07-31SRBaseNF
no factor from 2^75 to 2^76
2022-10-20BorekNF
no factor from 2^74 to 2^75
2021-11-12SRBaseNF
no factor from 2^73 to 2^74
2016-11-07Choi4KANGNF
no factor from 2^72 to 2^73
2016-10-10DerekNF
no factor from 2^71 to 2^72
2016-10-09Choi4KANGNF
no factor from 2^70 to 2^71
2016-07-29La GüiraNF
no factor from 2^69 to 2^70
2016-07-29La GüiraNF
no factor from 2^68 to 2^69
2016-04-14sasaki3NF
no factor from 2^67 to 2^68
2015-03-20Judge HaleNF
no factor from 2^66 to 2^67
2013-01-12Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-01-10ZIM30NF
no factor from 2^64 to 2^65