7 682 369 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 2⁶⁹

TF target 2⁶⁷

Factored

Factor	Digits	Bits	Date
795103279111326674321489	24	79.4	2020-06-09 00:34:03

P-1 factors

Date	Factors	B1	B2
2020-06-09	795103279111326674321489	721165	15144458

ECM

Digits	B1	Curves
25	50000	6 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift	Software
Factored	1999-08-31	Marc Getty / Phil Fizur	C03859817D2DA86A	0	Windows,Prime95,v16,(aka WS1)
Factored	2002-09-07	Ars Technica Team Prime Rib	C03859817D2DA86A	3099591	Windows,Prime95,v21,(aka WX1)

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2020-06-11	Luigi Morelli	2A6B7F88EA1EE0EE	1	5244916	5	3
Verified	PRP without proof (not generated)	2020-06-12	Team_Inspector	2A6B7F88EA1EE0EE	1	3080495	5	3

History

Date	User	Type	Result
2020-06-12	Team_Inspector	C-PRP	M7682369/795103279111326674321489 : 2A6B7F88EA1EE0EE
2020-06-11	Luigi Morelli	C-PRP	M7682369/795103279111326674321489 : 2A6B7F88EA1EE0EE
2020-06-09	GdS	F-PM1	Factor: 795103279111326674321489 / B1=721165, B2=15144458
2020-03-13	TJAOI	NF	no factor TF: 68-69
2018-07-31	ramgeis	NF	no factor TF: 67-68
2016-09-19	Gordon Spence	NF	no factor TF: 66-67
2015-06-12	VictordeHollander	NF	no factor TF: 65-66
2013-12-09	David Campeau	NF	no factor TF: 64-65
2013-10-11	Nesowa	NF	no factor TF: 63-64
2012-08-05	Nesowa	NF-PM1	B1=95000, B2=1757500, E=6
2002-09-07	Team Prime Rib	NF-PM1	B1=40000, B2=400000
2002-09-07	Team Prime Rib	C-LL	C03859817D2DA86A
2002-04-14	Team Prime Rib	C-LL	C03859817D2DA86A
2002-03-31	Team Prime Rib	NF-PM1	B1=40000, B2=400000
1999-08-31	-anonymous-	C-LL	C03859817D2DA86A
1998-10-18	-anonymous-	NF	no factor TF: 1-63
1998-10-11	-anonymous-	NF	no factor TF: 1-61