332 725 651 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 2⁸¹

TF target 2⁸¹

Factored

Factor	Digits	Bits	Date
1317993323821966951559831	25	80.1	2023-03-26 04:50:03

Status	Proof	Date	User	Residue	Shift	Type	Base
Factored	Certified Good Power=8	2021-07-06	Xebecer	D14462C0A4F9341E	187129550	1	3

History

Date	User	Type	Result
2025-06-23	Greg	F	Factor: 1317993323821966951559831 / TF: 80-81
2023-03-26	Mark Rose	F	Factor: 1317993323821966951559831 / TF: 80-81*
2023-03-17	Mark Rose	NF	no factor TF: 79-80
2023-02-28	Mark Rose	NF	no factor TF: 78-79
2023-02-28	Mark Rose	NF	no factor TF: 77-78
2021-07-07	curtisc	CERT	Proof certified good
2021-07-06	Xebecer	C-PRP	D14462C0A4F9341E Proof Certified Good Proof Power: 8
2021-05-17	Xebecer	NF-PM1	B1=2610000, B2=101519000
2020-10-10	bayanne	NF	no factor TF: 76-77
2020-07-04	bayanne	NF	no factor TF: 75-76
2016-05-11	srow7	NF	no factor TF: 74-75
2015-08-08	srow7	NF	no factor TF: 73-74
2014-04-02	bayanne	NF	no factor TF: 72-73
2013-03-17	LaurV	NF	no factor TF: 71-72
2013-02-01	LaurV	NF	no factor TF: 70-71
2012-07-17	LaurV	NF	no factor TF: 69-70
2012-04-12	LaurV	NF	no factor TF: 68-69
2012-03-28	LaurV	NF	no factor TF: 67-68
2010-10-29	Architects Cubed	NF	no factor TF: 66-67