332 707 273 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
216923354712286932699833	24	77.5	2023-03-13 15:10:02

History

Date	User	Type	Result
2025-05-13	DMiddendorp	F	Factor: 216923354712286932699833 / TF: 77-78
2023-03-13	bayanne	F	Factor: 216923354712286932699833 / TF: 77-78*
2022-08-16	bayanne	NF	no factor TF: 76-77
2020-06-22	George Woltman	NF	no factor TF: 75-76
2016-04-08	srow7	NF	no factor TF: 74-75
2015-08-01	srow7	NF	no factor TF: 73-74
2014-03-01	bayanne	NF	no factor TF: 72-73
2013-03-16	LaurV	NF	no factor TF: 71-72
2013-02-01	LaurV	NF	no factor TF: 70-71
2012-07-16	LaurV	NF	no factor TF: 69-70
2012-04-12	LaurV	NF	no factor TF: 68-69
2012-03-27	LaurV	NF	no factor TF: 67-68
2010-10-29	Architects Cubed	NF	no factor TF: 66-67