13 099 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
264036874393330821684099593721913250288207897	45	147.6	2009-03-05 15:09:13

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1721 / 9201

Estimated T-Level: 40.9 ⓘ

TF below 2^131 is very unlikely to find new factors due to ECM effort.

Status	User	Residue	Software
Factored	Unknown	4350	Unknown,(aka U)
Factored	George Woltman	0AFDDF0BB851C350	Woltman,Prime95,first web release,(aka W4)
Factored	Brian J. Beesley	0AFDDF0BB851C350	Mac,John Sweeney,v1.4,(aka J3)

PRP Cofactor

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	No proof (small exponent)	2017-09-21	Oliver Kruse	0C30A517BA297060	1	0	1	3
Verified	No proof (small exponent)	2017-10-02	kkmrkkblmbrbk	0C30A517BA297060	1	0	1	3
Verified	No proof (small exponent)	2017-12-07	ATH	0C30A517BA297060	1	2779	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	1113291EF81654C6	1	9889	5	3
Verified	No proof (small exponent)	2024-07-01	kkmrkkblmbrbk	1113291EF81654C6	1	11357	5	3

History

Date	User	Type	Result
2025-03-01	masser	NF-PP1	Start=137/71, B1=430000000, B2=429570000000
2025-01-31	masser	NF-PP1	Start=2/7, B1=430000000, B2=429570000000
2025-01-31	masser	NF-PP1	Start=6/5, B1=430000000, B2=429570000000
2024-07-01	kkmrkkblmbrbk	C-PRP	M13099/264036874393330821684099593721913250288207897 : 1113291EF81654C6
2023-10-10	-anonymous-	NF-PM1	B1=100000000000, B2=122154521813133810
2023-05-17	JacobZ	NF-PM1	B1=8400000000, B2=34523926202766000
2020-04-17	Oliver Kruse	C-PRP	M13099/264036874393330821684099593721913250288207897 : 1113291EF81654C6
2017-12-07	ATH	C-PRP	M13099/264036874393330821684099593721913250288207897 : 0C30A517BA297060
2017-10-02	kkmrkkblmbrbk	C-PRP	M13099/264036874393330821684099593721913250288207897 : 0C30A517BA297060
2017-09-21	Oliver Kruse	C-PRP	M13099/264036874393330821684099593721913250288207897 : 0C30A517BA297060
2017-09-21	Oliver Kruse	C-PRP	M13099/264036874393330821684099593721913250288207897 : 0C30A517BA297060
2009-03-05	-anonymous-	F-ECM	Factor: 264036874393330821684099593721913250288207897
2003-09-29	-anonymous-	NF-PM1	B1=8388608, B2=838860800, E=12
2003-09-29	-anonymous-	NF-PM1	B1=16777216, B2=1677721600, E=12
2003-07-06	-anonymous-	NF-PM1	B1=4194304, B2=419430400, E=12
2003-05-19	-anonymous-	NF-PM1	B1=2097152, B2=209715200, E=12
2003-04-27	-anonymous-	NF-PM1	B1=1048576, B2=104857600, E=48
2003-04-03	-anonymous-	NF-PM1	B1=524288, B2=52428800, E=48
2003-03-27	-anonymous-	NF-PM1	B1=262144, B2=26214400, E=30
2003-02-02	-anonymous-	NF-PM1	B1=131072, B2=13107200, E=30
2002-08-17	-anonymous-	NF	no factor TF: 1-57
2002-07-14	-anonymous-	NF-PM1	B1=65536, B2=6553600, E=12
2002-06-09	-anonymous-	NF-PM1	B1=32768, B2=3276800
2002-04-28	-anonymous-	NF-PM1	B1=16384, B2=1638400
2001-09-30	-anonymous-	NF-PM1	B1=43000000, B2=4290000000
2001-07-17	Alex Kruppa	NF-PM1	B1=1000000, B2=100000000
2001-04-29	-anonymous-	NF-PM1	B1=100000, B2=10000000
2000-09-08	-anonymous-	NF	no factor TF: 1-56
2000-01-25	-anonymous-	NF	no factor TF: 53-54
1999-09-14	-anonymous-	NF	no factor TF: 52-53

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