853 489 999 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 2⁸⁵

Factored

Factor	Digits	Bits	Date
49636640683684384960303	23	75.4	2025-02-17 01:40:34

History

Date	User	Type	Result
2025-02-17	NStorm	F	Factor: 49636640683684384960303 / TF: 75-76
2024-06-18	SRBase	NF	no factor TF: 74-75
2022-12-05	SRBase	NF	no factor TF: 73-74
2021-06-13	SRBase	NF	no factor TF: 72-73
2020-10-13	SRBase	NF	no factor TF: 71-72
2019-03-25	srow7	NF	no factor TF: 70-71
2016-10-09	ramgeis	NF	no factor TF: 68-70
2015-08-27	sasaki	NF	no factor TF: 67-68
2015-03-06	sasaki	NF	no factor TF: 66-67
2013-08-09	Le Comte	NF	no factor TF: 65-66
2010-10-18	Architects Cubed	NF	no factor TF: 64-65
2010-04-02	Architects Cubed	NF	no factor TF: 63-64