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
153365831No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 2000000
B2 = 1573632060
History
DateUserTypeResult
2025-07-26DanBNF
no factor from 2^77 to 2^78
2024-11-03Anton RepkoNF-PM1
B1=2000000, B2=1573632060
2024-11-02Anton RepkoNF
no factor from 2^76 to 2^77
2024-08-07SRBaseNF
no factor from 2^75 to 2^76
2023-02-14SRBaseNF
no factor from 2^74 to 2^75
2017-12-18hktNF
no factor from 2^73 to 2^74
2017-12-18hktNF
no factor from 2^72 to 2^73
2017-12-18hktNF
no factor from 2^71 to 2^72
2017-12-18hktNF
no factor from 2^70 to 2^71
2016-08-11La GüiraNF
no factor from 2^69 to 2^70
2016-08-11La GüiraNF
no factor from 2^68 to 2^69
2016-04-26arnieNF
no factor from 2^67 to 2^68
2015-04-03Robert FolzNF
no factor from 2^66 to 2^67
2013-01-26sannerud.comNF
no factor from 2^65 to 2^66
2011-01-19oodairaNF
no factor from 2^64 to 2^65
2010-06-24Charles A. MorrisNF
no factor from 2^63 to 2^64