905 681 839 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

No known factors, not tested for primality

TF

No factors below 2⁷⁵

TF target 2⁸⁵

History

Date	User	Type	Result
2024-07-02	SRBase	NF	no factor from 2^74 to 2^75
2024-06-29	Naegi Makoto	NF	no factor from 2^69 to 2^70
2024-05-27	Chuck	NF	no factor from 2^68 to 2^69
2021-12-09	sasaki	NF	no factor from 2^73 to 2^74
2020-10-26	lycorn	NF	no factor from 2^72 to 2^73
2020-07-25	srow7	NF	no factor from 2^71 to 2^72
2019-09-24	E.Lechner	NF	no factor from 2^70 to 2^71
2017-10-25	Conductor	NF	no factor from 2^69 to 2^70
2017-04-19	Conductor	NF	no factor from 2^68 to 2^69
2016-06-21	Conductor	NF	no factor from 2^67 to 2^68
2015-02-06	Gordon Spence	NF	no factor from 2^66 to 2^67
2013-04-25	ramgeis	NF	no factor from 2^65 to 2^66
2011-10-31	lindee	NF	no factor from 2^64 to 2^65
2010-07-09	linded	NF	no factor from 2^63 to 2^64