543 222 191 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
20433809813163624899423	23	74.1	2023-07-30 07:01:41

History

Date	User	Type	Result
2023-07-30	Ruslan Borisov	F	Factor: 20433809813163624899423 / TF: 74-75
2022-08-08	SRBase	NF	no factor from 2^73 to 2^74
2021-03-26	SRBase	NF	no factor from 2^72 to 2^73
2020-08-31	SRBase	NF	no factor from 2^71 to 2^72
2019-10-01	sasaki	NF	no factor from 2^70 to 2^71
2018-10-30	Niels_Mache_Nextcloud	NF	no factor from 2^69 to 2^70
2018-01-25	sasaki	NF	no factor from 2^68 to 2^69
2016-11-02	sasaki	NF	no factor from 2^67 to 2^68
2016-01-11	sasaki	NF	no factor from 2^66 to 2^67
2014-10-19	sasaki	NF	no factor from 2^65 to 2^66
2012-01-05	Richard	NF	no factor from 2^64 to 2^65
2010-06-30	Architects Cubed	NF	no factor from 2^63 to 2^64