332 587 403 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 2⁸⁰

TF target 2⁸¹

Factored

Factor	Digits	Bits	Date
642585706890084397961407	24	79.1	2023-01-14 13:55:03

History

Date	User	Type	Result
2025-04-22	DMiddendorp	F	Factor: 642585706890084397961407 / TF: 79-80
2023-01-14	Mark Rose	F	Factor: 642585706890084397961407 / TF: 79-80*
2022-06-22	LOBES	NF	no factor TF: 78-79
2022-06-22	LOBES	NF	no factor TF: 77-78
2022-04-29	Team_Inspector	NF	no factor TF: 76-77
2020-04-05	tsc	NF	no factor TF: 75-76
2016-02-10	srow7	NF	no factor TF: 74-75
2015-05-30	srow7	NF	no factor TF: 73-74
2013-08-03	LaurV	NF	no factor TF: 72-73
2013-03-08	LaurV	NF	no factor TF: 71-72
2013-01-27	LaurV	NF	no factor TF: 70-71
2012-07-06	LaurV	NF	no factor TF: 69-70
2012-04-11	LaurV	NF	no factor TF: 68-69
2012-01-21	Grant McCracken	NF	no factor TF: 67-68