6 329 Exponent Status

PrimeNet Exponent Status

M_n

Details

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

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
26367627467345446174566335936121340946860202281	47	154.2	2016-04-18 17:34:20

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	10756 / 16550

Estimated T-Level: 48.2 ⓘ

TF below 2^155 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift	Software
Factored		Unknown	2A5E	0	Unknown,(aka U)
Factored		George Woltman	8961BC529DD6AA5E	0	Woltman,Prime95,first web release,(aka W4)
Factored		Brian J. Beesley	8961BC529DD6AA5E	0	Mac,John Sweeney,v1.4,(aka J3)
Factored	2015-04-11	MadPoo 🙂	8961BC529DD6AA5E	2161	Windows 64-bit,Prime95,v26,(aka We4)

PRP Cofactor

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	No proof (small exponent)	2017-09-21	Oliver Kruse	9AFFAF7C48D97006	1	0	1	3
Verified	No proof (small exponent)	2017-10-02	kkmrkkblmbrbk	9AFFAF7C48D97006	1	0	1	3
Verified	No proof (small exponent)	2017-12-07	ATH	9AFFAF7C48D97006	1	827	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	4620931DF9B72C59	1	1370	5	3
Verified	No proof (small exponent)	2024-02-03	Wentao Huang	4620931DF9B72C59	1	327	5	3

History

Date	User	Type	Result
2025-05-26	masser	NF-PP1	Start=108/13, B1=1500000000, B2=1498500000000
2024-02-03	Wentao Huang	C-PRP	M6329/26367627467345446174566335936121340946860202281 : 4620931DF9B72C59
2023-08-04	-anonymous-	NF-PM1	B1=39000000000, B2=163105468633407300
2021-08-01	ViliamF	NF-PM1	B1=500000000, B2=90500000000
2020-04-17	Oliver Kruse	C-PRP	M6329/26367627467345446174566335936121340946860202281 : 4620931DF9B72C59
2017-12-07	ATH	C-PRP	M6329/26367627467345446174566335936121340946860202281 : 9AFFAF7C48D97006
2017-10-02	kkmrkkblmbrbk	C-PRP	M6329/26367627467345446174566335936121340946860202281 : 9AFFAF7C48D97006
2017-09-21	Oliver Kruse	C-PRP	M6329/known_factors : 9AFFAF7C48D97006
2016-04-18	Carsten Kossendey	F-ECM	Factor: 26367627467345446174566335936121340946860202281
2016-02-23	LaurV	NF	no factor TF: 57-58
2015-08-06	Sid & Andy	NF	no factor TF: 61-62
2015-04-11	MadPoo 🙂	C-LL	8961BC529DD6AA5E
2012-10-11	bcp19	NF	no factor TF: 60-61
2011-05-13	Joss	NF-PM1	B1=10000000000
2010-12-22	monst	NF	no factor TF: 59-60
2010-08-10	chalsall	NF	no factor TF: 58-59
2003-01-25	-anonymous-	NF-PM1	B1=4290000000
2002-12-31	-anonymous-	NF	no factor TF: 1-57
2002-10-07	-anonymous-	NF-PM1	B1=3221225472, B2=4290000000, E=48
2002-06-02	-anonymous-	NF-PM1	B1=1073741824, B2=4290000000, E=48
2001-08-18	-anonymous-	NF-PM1	B1=3000000000, B2=4290000000
2001-06-17	-anonymous-	NF-PM1	B1=43000000, B2=4290000000
2001-02-11	-anonymous-	NF-PM1	B1=1000000, B2=100000000
2000-07-25	-anonymous-	NF	no factor TF: 1-56
2000-02-23	-anonymous-	NF	no factor TF: 54-55
1999-12-30	-anonymous-	NF	no factor TF: 53-54
1999-09-22	-anonymous-	NF	no factor TF: 52-53

Username
Password