332 658 457 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
251316880275303432533161	24	77.7	2023-01-28 07:33:26

History

Date	User	Type	Result
2025-05-13	DMiddendorp	F	Factor: 251316880275303432533161 / TF: 77-78
2023-01-28	bayanne	F	Factor: 251316880275303432533161 / TF: 77-78*
2022-07-15	Team_Inspector	NF	no factor TF: 76-77
2019-11-09	srow7	NF	no factor TF: 75-76
2016-03-21	srow7	NF	no factor TF: 74-75
2015-07-13	James Heinrich	NF	no factor TF: 73-74
2013-09-21	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