332 554 139 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
80285456838063712297241	23	76.1	2022-02-05 11:56:01

History

Date	User	Type	Result
2025-06-06	Greg	F	Factor: 80285456838063712297241 / TF: 76-77
2022-02-05	bayanne	F	Factor: 80285456838063712297241 / TF: 76-77*
2020-03-23	tsc	NF	no factor TF: 75-76
2016-01-25	LaurV	NF	no factor TF: 74-75
2015-06-01	NR	NF	no factor TF: 73-74
2013-07-07	kracker	NF	no factor TF: 72-73
2013-03-07	LaurV	NF	no factor TF: 71-72
2013-01-26	LaurV	NF	no factor TF: 70-71
2012-07-05	LaurV	NF	no factor TF: 69-70
2012-04-11	LaurV	NF	no factor TF: 68-69
2011-12-16	Grant McCracken	NF	no factor TF: 67-68