332 844 229 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 2⁷⁷

TF target 2⁸¹

Factored

Factor	Digits	Bits	Date
81958247123758568215759	23	76.1	2022-10-12 07:54:44

History

Date	User	Type	Result
2025-06-06	Greg	F	Factor: 81958247123758568215759 / TF: 76-77
2022-10-12	bayanne	F	Factor: 81958247123758568215759 / TF: 76-77*
2020-07-23	el grocco	NF	no factor TF: 75-76
2019-01-11	srow7	NF	no factor TF: 74-75
2015-09-14	srow7	NF	no factor TF: 73-74
2015-05-15	Jacques MOLNE	NF	no factor TF: 72-73
2013-03-27	David Campeau	NF	no factor TF: 71-72
2012-10-15	kracker	NF	no factor TF: 70-71
2012-07-20	LaurV	NF	no factor TF: 69-70
2012-04-14	LaurV	NF	no factor TF: 67-69
2010-11-02	Architects Cubed	NF	no factor TF: 66-67