292 358 777 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
39840222516256640554313	23	75.1	2025-02-11 05:23:13

History

Date	User	Type	Result
2025-02-11	NStorm	F	Factor: 39840222516256640554313 / TF: 75-76
2023-08-15	SRBase	NF	no factor TF: 74-75
2022-03-19	SRBase	NF	no factor TF: 73-74
2020-12-21	SRBase	NF	no factor TF: 72-73
2020-07-16	SRBase	NF	no factor TF: 71-72
2020-05-10	SRBase	NF	no factor TF: 70-71
2019-09-06	dinausaur.ch	NF	no factor TF: 69-70
2018-07-24	King	NF	no factor TF: 68-69
2016-11-27	NBCC	NF	no factor TF: 67-68
2016-02-02	Robert Folz	NF	no factor TF: 66-67
2013-12-23	haphaeu	NF	no factor TF: 65-66
2011-10-20	Nathan Edington	NF	no factor TF: 64-65
2010-05-27	Architects Cubed	NF	no factor TF: 63-64
2010-04-04	monst	NF	no factor TF: 62-63