905 111 183 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
4558032688597302397207	22	71.9	2019-03-11 13:05:40

History

Date	User	Type	Result
2025-03-22	James Heinrich	F	Factor: 4558032688597302397207 / TF: 71-72
2024-07-12	Wentao Huang	NF	no factor from 2^70 to 2^71
2024-07-12	Wentao Huang	NF	no factor from 2^69 to 2^70
2024-06-28	Naegi Makoto	NF	no factor from 2^69 to 2^70
2024-05-27	Chuck	NF	no factor from 2^68 to 2^69
2019-03-11	Smok_bmv	F	Factor: 4558032688597302397207 / TF: 71-72*
2017-10-15	Conductor	NF	no factor from 2^69 to 2^71
2017-10-13	Conductor	NF	no factor from 2^69 to 2^70
2017-04-09	Conductor	NF	no factor from 2^68 to 2^69
2016-06-19	Conductor	NF	no factor from 2^67 to 2^68
2011-11-15	Rob_Dee	NF	no factor from 2^66 to 2^67
2011-04-23	Rob_Dee	NF	no factor from 2^65 to 2^66
2010-04-18	Rob_Dee	NF	no factor from 2^64 to 2^65