332 661 361 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
199497410737026706851913	24	77.4	2023-01-31 15:40:04

History

Date	User	Type	Result
2025-05-13	DMiddendorp	F	Factor: 199497410737026706851913 / TF: 77-78
2023-01-31	DRobinsonPE	F	Factor: 199497410737026706851913 / TF: 77-78*
2022-07-17	bayanne	NF	no factor TF: 76-77
2019-11-11	srow7	NF	no factor TF: 75-76
2016-03-22	srow7	NF	no factor TF: 74-75
2015-07-13	James Heinrich	NF	no factor TF: 73-74
2013-09-22	america64	NF	no factor TF: 72-73
2013-03-10	LaurV	NF	no factor TF: 71-72
2013-01-30	LaurV	NF	no factor TF: 70-71
2012-07-09	LaurV	NF	no factor TF: 69-70
2012-04-10	LaurV	NF	no factor TF: 67-69
2010-10-29	Team_Inspector	NF	no factor TF: 66-67