258 658 333 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 2⁸⁰

Factored

Factor	Digits	Bits	Date
67301767919794709603639	23	75.8	2025-02-02 16:12:09

History

Date	User	Type	Result
2025-02-02	NStorm	F	Factor: 67301767919794709603639 / TF: 75-76
2022-08-24	GIMPS-PRIM	NF	no factor TF: 74-75
2022-02-14	SRBase	NF	no factor TF: 73-74
2020-11-24	SRBase	NF	no factor TF: 72-73
2020-07-04	SRBase	NF	no factor TF: 71-72
2020-05-03	SRBase	NF	no factor TF: 70-71
2019-05-02	vats09	NF	no factor TF: 69-70
2018-06-16	Chabot Prime	NF	no factor TF: 68-69
2016-08-19	XZT	NF	no factor TF: 67-68
2015-12-18	MurrayS	NF	no factor TF: 66-67
2013-11-18	KayJongsma	NF	no factor TF: 65-66
2011-08-10	Richard	NF	no factor TF: 64-65
2010-03-11	oodaira	NF	no factor TF: 63-64
2010-03-11	oodaira	NF	no factor TF: 62-63