332 344 139 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 2⁸⁰

TF target 2⁸¹

Factored

Factor	Digits	Bits	Date
664351687315838614018897	24	79.1	2023-04-22 05:52:02

History

Date	User	Type	Result
2025-04-22	DMiddendorp	F	Factor: 664351687315838614018897 / TF: 79-80
2024-07-16	Grant McCracken	NF	no factor TF: 71-72
2024-04-26	Grant McCracken	NF	no factor TF: 70-71
2024-03-04	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-04-22	Mark Rose	F	Factor: 664351687315838614018897 / TF: 79-80*
2021-05-27	LOBES	NF	no factor TF: 78-79
2021-05-27	LOBES	NF	no factor TF: 77-78
2014-11-13	Dallas	NF	no factor TF: 76-77
2014-10-13	Dallas	NF-PM1	B1=5305000
2014-08-27	Dallas	NF	no factor TF: 75-76
2014-03-06	Team_Inspector	NF	no factor TF: 74-75
2014-03-03	Team_Inspector	NF	no factor TF: 73-74
2013-01-20	LaurV	NF	no factor TF: 72-73
2011-06-30	Grant McCracken	NF	no factor TF: 71-72
2011-03-15	Grant McCracken	NF	no factor TF: 70-71
2010-12-16	Sunfish	NF	no factor TF: 69-70
2010-04-08	Sunfish	NF	no factor TF: 68-69