557 711 977 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁷⁶

TF target 2⁸³

Factored

Factor	Digits	Bits	Date
73431667282018417884959	23	76.0	2025-03-26 16:10:10

History

Date	User	Type	Result
2025-03-26	NStorm	F	Factor: 73431667282018417884959 / TF: 75-76
2024-01-23	SRBase	NF	no factor TF: 74-75
2022-08-18	SRBase	NF	no factor TF: 73-74
2021-04-09	SRBase	NF	no factor TF: 72-73
2020-09-02	SRBase	NF	no factor TF: 71-72
2019-12-10	sasaki	NF	no factor TF: 70-71
2018-11-02	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-03-22	sasaki	NF	no factor TF: 68-69
2016-11-19	sasaki	NF	no factor TF: 67-68
2015-11-22	sasaki	NF	no factor TF: 66-67
2014-09-27	sasaki	NF	no factor TF: 65-66
2012-01-06	LingUaan	NF	no factor TF: 64-65