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
261309721Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
245378713938714869752312374.42023-03-05 04:41:17
History
DateUserTypeResult
2023-03-05Smok_bmv F
Factor: 24537871393871486975231 / TF: 74-75*
2022-02-21SRBaseNF
no factor from 2^73 to 2^74
2020-11-26SRBaseNF
no factor from 2^72 to 2^73
2020-07-04SRBaseNF
no factor from 2^71 to 2^72
2020-05-03SRBaseNF
no factor from 2^70 to 2^71
2019-05-13krackerNF
no factor from 2^69 to 2^70
2018-06-26SummyNF
no factor from 2^68 to 2^69
2016-07-21XZTNF
no factor from 2^67 to 2^68
2015-12-23Stefano Caponi [MachPatrol]NF
no factor from 2^66 to 2^67
2014-05-23KoekieNF
no factor from 2^65 to 2^66
2011-08-12sasaki3NF
no factor from 2^64 to 2^65
2010-03-14BattlemaxxNF
no factor from 2^63 to 2^64
2010-03-14BattlemaxxNF
no factor from 2^62 to 2^63