11 549 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
6307847396197912092892161776777	31	102.3	old

P-1 factors

Date	Factors	B1	B2
2023-01-20	No new factors discovered	100000000000	122192573512709696

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	4421 / 9201

Estimated T-Level: 42.4 ⓘ

TF below 2^136 is very unlikely to find new factors due to ECM effort.

PRP Cofactor

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	No proof (small exponent)	2017-09-21	Oliver Kruse	D0D072A0D43C5B3F	1	0	1	3
Verified	No proof (small exponent)	2017-10-12	kkmrkkblmbrbk	D0D072A0D43C5B3F	1	4350	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	895C844A6B8ADBCE	1	3537	5	3
Verified	No proof (small exponent)	2024-07-01	kkmrkkblmbrbk	895C844A6B8ADBCE	1	9231	5	3

History

Date	User	Type	Result
2025-03-02	masser	NF-PP1	Start=6/5, B1=430000000, B2=429570000000
2025-01-23	masser	NF-PP1	Start=2/7, B1=430000000, B2=429570000000
2024-07-01	kkmrkkblmbrbk	C-PRP	M11549/6307847396197912092892161776777 : 895C844A6B8ADBCE
2023-01-20	-anonymous-	F-PM1	Factor: 6307847396197912092892161776777 / B1=100000000000, B2=122192573512709700
2020-04-17	Oliver Kruse	C-PRP	M11549/6307847396197912092892161776777 : 895C844A6B8ADBCE
2017-10-12	kkmrkkblmbrbk	C-PRP	M11549/6307847396197912092892161776777 : D0D072A0D43C5B3F
2017-09-21	Oliver Kruse	C-PRP	M11549/6307847396197912092892161776777 : D0D072A0D43C5B3F
2017-09-21	Oliver Kruse	C-PRP	M11549/6307847396197912092892161776777 : D0D072A0D43C5B3F
2016-09-09	kkmrkkblmbrbk	NF-PM1	B1=10000000000, B2=500000000000, E=12
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=10000000000, E=12
2006-01-15	Joss	NF-PM1	B1=200000000
2006-01-15	Joss	NF-PM1	B1=300000000
2006-01-15	Joss	NF-PM1	B1=110000000
2003-09-29	-anonymous-	NF-PM1	B1=16777216, B2=1677721600, E=12
2003-09-29	-anonymous-	NF-PM1	B1=8388608, B2=838860800, 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
2002-08-03	-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
2001-09-22	-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
2000-08-31	-anonymous-	NF	no factor TF: 1-56
2000-06-28	-anonymous-	NF	no factor TF: 1-55
2000-06-23	-anonymous-	NF	no factor TF: 1-55
2000-01-19	-anonymous-	NF	no factor TF: 53-54
1999-09-14	-anonymous-	NF	no factor TF: 52-53

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