8 470 303 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 2 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
670054463650053463	18	59.2	old
159799688883352906337	21	67.1	2021-10-01 08:35:42

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Factored	PRP without proof (not generated)	2018-10-31	rucio	9F480FCF465E17CF	1	7375977	5	3
Factored	PRP without proof (not generated)	2020-06-10	daveward2005	9F480FCF465E17CF	1	6553061	5	3
Verified	Certified Good	2021-10-08	GAN	9F480FCF465E17CF	2	4515655	5	3

History

Date	User	Type	Result
2024-05-14	Stef42	NF-PM1	B1=1055000, B2=2213224650
2021-10-08	Khurshid Suyunov	CERT	Proof certified good
2021-10-08	GAN	C-PRP	M8470303/670054463650053463/159799688883352906337 : 9F480FCF465E17CF Proof Certified Good Proof Power: 8
2021-10-01	TJAOI	F	Factor: 159799688883352906337
2020-06-10	daveward2005	C-PRP	M8470303/670054463650053463 : 9F480FCF465E17CF
2018-10-31	rucio	C-PRP	M8470303/670054463650053463 : 9F480FCF465E17CF
1998-12-06	-anonymous-	F	Factor: 670054463650053463
1998-10-18	-anonymous-	F	Factor: 670054463650053463
1998-09-27	-anonymous-	F	Factor: 670054463650053463