332 627 461 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 2⁷⁸

TF target 2⁸¹

Factored

Factor	Digits	Bits	Date
217732983374245633843583	24	77.5	2022-12-31 07:33:01

History

Date	User	Type	Result
2025-05-13	DMiddendorp	F	Factor: 217732983374245633843583 / TF: 77-78
2022-12-31	bayanne	F	Factor: 217732983374245633843583 / TF: 77-78*
2022-06-15	bayanne	NF	no factor TF: 76-77
2020-05-16	bayanne	NF	no factor TF: 75-76
2016-02-28	srow7	NF	no factor TF: 74-75
2015-07-20	James Heinrich	NF	no factor TF: 73-74
2013-12-05	bayanne	NF	no factor TF: 72-73
2013-03-09	LaurV	NF	no factor TF: 71-72
2013-01-29	LaurV	NF	no factor TF: 70-71
2012-07-09	LaurV	NF	no factor TF: 69-70
2012-04-12	LaurV	NF	no factor TF: 67-69
2010-06-18	Grant McCracken	NF	no factor TF: 66-67