923 857 777 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 2⁸⁵

Factored

Factor	Digits	Bits	Date
55976949591950522163841	23	75.6	2025-02-11 22:36:52

History

Date	User	Type	Result
2025-02-11	NStorm	F	Factor: 55976949591950522163841 / TF: 75-76
2024-07-05	SRBase	NF	no factor TF: 74-75
2024-05-28	James Heinrich	NF	no factor TF: 69-70
2022-09-08	sasaki	NF	no factor TF: 73-74
2021-07-21	srow7	NF	no factor TF: 72-73
2020-10-16	SRBase	NF	no factor TF: 71-72
2018-11-13	Niels_Mache_Nextcloud	NF	no factor TF: 70-71
2018-02-07	Conductor	NF	no factor TF: 69-70
2017-05-04	Mark Rose	NF	no factor TF: 68-69
2016-08-01	Conductor	NF	no factor TF: 67-68
2015-11-20	Conductor	NF	no factor TF: 66-67
2013-05-27	ramgeis	NF	no factor TF: 65-66
2011-08-16	linded	NF	no factor TF: 64-65
2010-06-14	linded	NF	no factor TF: 63-64