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
143234017Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2615682031808350903955192412787.82024-10-05 10:06:54
P-1 factors
DateFactorB1B2
2024-10-0526156820318083509039551924112210001221000
History
DateUserTypeResult
2024-10-05Luke DurantF-PM1
Factor: 261568203180835090395519241 / (P-1, B1=1221000)
2024-07-19SRBaseNF
no factor from 2^75 to 2^76
2023-01-25SRBaseNF
no factor from 2^74 to 2^75
2021-11-09SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2016-11-08Nguyen Huy AnhNF
no factor from 2^71 to 2^72
2016-11-08Nguyen Huy AnhNF
no factor from 2^70 to 2^71
2016-04-30La GüiraNF
no factor from 2^69 to 2^70
2016-04-30La GüiraNF
no factor from 2^68 to 2^69
2016-04-04dbaughNF
no factor from 2^67 to 2^68
2015-02-25aurashiftNF
no factor from 2^66 to 2^67
2012-12-14sasaki3NF
no factor from 2^65 to 2^66
2010-12-23RichardNF
no factor from 2^64 to 2^65
2010-06-17Charles A. MorrisNF
no factor from 2^63 to 2^64