258 958 333 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
59267855371512217665407	23	75.6	2025-02-01 18:10:12

History

Date	User	Type	Result
2025-02-01	NStorm	F	Factor: 59267855371512217665407 / TF: 75-76
2023-05-10	Arthur L.	NF	no factor TF: 74-75
2022-02-21	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
2019-05-03	tmorrow	NF	no factor TF: 69-70
2018-06-19	sasaki	NF	no factor TF: 68-69
2016-08-20	XZT	NF	no factor TF: 67-68
2015-12-19	vwflat4	NF	no factor TF: 66-67
2014-05-17	Chih-Wei Huang	NF	no factor TF: 65-66
2011-08-09	Richard	NF	no factor TF: 64-65
2010-03-12	linded	NF	no factor TF: 63-64
2010-03-12	linded	NF	no factor TF: 62-63