8 322 679 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
30691759852490708399	20	64.7	2009-08-09 16:07:37

Status	Date	User	Residue	Shift	Software
Factored	1999-10-15	John Baschab	929B6C1FB9929FB1	4279810	Windows,Prime95,v18,(aka WU1)
Factored	2002-11-24	Forrest Carpenter	929B6C1FB9929FB1	6399597	Linux 32-bit,Prime95,v18,(aka WU2)

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-13	Oliver Kruse	245CA5119317DEC2	1	4819368	5	3
Verified	PRP without proof (not generated)	2020-05-09	Luigi Morelli	245CA5119317DEC2	1	4651794	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1375000, B2=2788626750
2020-05-09	Luigi Morelli	C-PRP	M8322679/30691759852490708399 : 245CA5119317DEC2
2018-10-13	Oliver Kruse	C-PRP	M8322679/30691759852490708399 : 245CA5119317DEC2
2009-08-09	Carsten Kossendey	F	Factor: 30691759852490708399
2006-04-14	David Campeau	NF	no factor TF: 1-64
2002-11-24	-anonymous-	C-LL	929B6C1FB9929FB1
1999-10-15	-anonymous-	C-LL	929B6C1FB9929FB1
1999-08-07	-anonymous-	NF	no factor TF: 1-63
1999-07-26	Tha	NF	no factor TF: 1-63
1998-09-06	-anonymous-	NF	no factor TF: 1-61
1998-09-06	-anonymous-	NF	no factor TF: 1-62