7 067 911 Exponent Status

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
363156953310559167679	21	68.3	2020-04-17 08:26:40

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	1999-10-07	Alun Bell	D931FEC2DF36F8BE	3233487	Windows,Prime95,v18,(aka WU1)
Factored	2001-12-08	Alexander	D931FEC2DF36F8BE	4265860	Windows,Prime95,v21,NT service,(aka WX5)

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2020-04-18	trebor	C95CDEFE5E4B3FA6	1	4830256	5	3
Verified	PRP without proof (not generated)	2020-04-19	Wentao Huang	C95CDEFE5E4B3FA6	1	4390735	5	3

History

Date	User	Type	Result
2020-04-19	Wentao Huang	C-PRP	M7067911/363156953310559167679 : C95CDEFE5E4B3FA6
2020-04-18	trebor	C-PRP	M7067911/363156953310559167679 : C95CDEFE5E4B3FA6
2020-04-17	TJAOI	F	Factor: 363156953310559167679 / TF: 68-69
2018-07-22	ramgeis	NF	no factor TF: 67-68
2018-06-05	Squeeky_Squirrel	NF-PM1	B1=415000, B2=12553750, E=12
2016-08-19	kkmrkkblmbrbk	NF	no factor TF: 66-67
2015-06-16	VictordeHollander	NF	no factor TF: 65-66
2014-02-10	lycorn	NF	no factor TF: 64-65
2014-02-06	Nesowa	NF	no factor TF: 63-64
2012-01-10	bcp19	NF-PM1	B1=85000, B2=1530000, E=6
2002-01-28	-anonymous-	C-LL	D931FEC2DF36F8BE
2002-01-28	-anonymous-	NF	no factor TF: 1-63
2002-01-28	-anonymous-	NF-PM1	B1=35000, B2=463750
2001-12-22	-anonymous-	NF-PM1	B1=35000, B2=463750
2001-12-22	-anonymous-	C-LL	D931FEC2DF36F8BE
2001-12-22	-anonymous-	NF	no factor TF: 1-63
2001-12-08	-anonymous-	C-LL	D931FEC2DF36F8BE
2001-10-25	-anonymous-	NF-PM1	B1=35000, B2=463750
2001-10-25	-anonymous-	NF	no factor TF: 1-63
1999-10-07	-anonymous-	C-LL	D931FEC2DF36F8BE
1998-06-07	Tom 7	NF	no factor TF: 1-62

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