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
156815413Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
45024927605116112908289692581.92025-09-16 02:13:55
P-1 factors
DateFactorB1B2
2025-09-16450249276051161129082896920000002000000
History
DateUserTypeResult
2025-09-16GregF-PM1
Factor: 4502492760511611290828969 / (P-1, B1=2000000)
2025-05-14mezonNF
no factor from 2^77 to 2^78
2024-12-03voidfNF
no factor from 2^76 to 2^77
2024-08-26SRBaseNF
no factor from 2^75 to 2^76
2024-05-06GregNF
no factor from 2^68 to 2^69
2023-02-22SRBaseNF
no factor from 2^74 to 2^75
2021-11-17SRBaseNF
no factor from 2^73 to 2^74
2017-10-14Will EdgingtonNF
no factor from 2^72 to 2^73
2017-09-15Ilya AlexandrovNF
no factor from 2^71 to 2^72
2017-09-15Ilya AlexandrovNF
no factor from 2^70 to 2^71
2016-08-11La GüiraNF
no factor from 2^69 to 2^70
2016-07-21Josh FamestadNF
no factor from 2^68 to 2^69
2016-05-06mikeblasNF
no factor from 2^67 to 2^68
2015-04-16Mr-PlonkNF
no factor from 2^66 to 2^67
2013-02-08Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-01-26Architects CubedNF
no factor from 2^64 to 2^65