11 027 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
288363872191768892050551279270150054945736765655279	51	167.6	2017-04-15 18:04:57

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	3657 / 16550

Estimated T-Level: 46.1 ⓘ

TF below 2^148 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift	Software
Factored		Unknown	1014	0	Unknown,(aka U)
Factored		George Woltman	CA0430863E019014	0	Woltman,Prime95,first web release,(aka W4)
Factored		Brian J. Beesley	CA0430863E019014	0	Mac,John Sweeney,v1.4,(aka J3)
Factored	2015-04-11	MadPoo 🙂	CA0430863E019014	2768	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	AEB7E856FE320B5A	1	0	1	3
Verified	No proof (small exponent)	2017-10-02	kkmrkkblmbrbk	AEB7E856FE320B5A	1	0	1	3
Verified	No proof (small exponent)	2017-12-07	ATH	AEB7E856FE320B5A	1	2994	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	A64F858E04131F42	1	6359	5	3
Verified	No proof (small exponent)	2024-07-01	kkmrkkblmbrbk	A64F858E04131F42	1	2431	5	3

History

Date	User	Type	Result
2025-02-28	masser	NF-PP1	Start=157/61, B1=960000000, B2=959040000000
2025-02-18	masser	NF-PP1	Start=6/5, B1=960000000, B2=959040000000
2025-02-04	masser	NF-PP1	Start=2/7, B1=960000000, B2=959040000000
2024-07-01	kkmrkkblmbrbk	C-PRP	M11027/288363872191768892050551279270150054945736765655279 : A64F858E04131F42
2022-12-29	-anonymous-	NF-PM1	B1=100000000000, B2=122192573512709700
2020-04-17	Oliver Kruse	C-PRP	M11027/288363872191768892050551279270150054945736765655279 : A64F858E04131F42
2017-12-07	ATH	C-PRP	M11027/288363872191768892050551279270150054945736765655279 : AEB7E856FE320B5A
2017-10-02	kkmrkkblmbrbk	C-PRP	M11027/288363872191768892050551279270150054945736765655279 : AEB7E856FE320B5A
2017-09-21	Oliver Kruse	C-PRP	M11027/known_factors : AEB7E856FE320B5A
2017-04-15	Sid & Andy	F-ECM	Factor: 288363872191768892050551279270150054945736765655279
2016-02-23	LaurV	NF	no factor TF: 57-58
2015-11-14	snme2pm1	NF	no factor TF: 62-63
2015-07-16	snme2pm1	NF	no factor TF: 61-62
2015-04-11	MadPoo 🙂	C-LL	CA0430863E019014
2012-12-31	bcp19	NF-PM1	B1=10000000000, B2=100000000000, E=12
2012-11-08	bcp19	NF	no factor TF: 60-61
2010-07-20	George Woltman	NF	no factor TF: 59-60
2010-07-20	George Woltman	NF	no factor TF: 58-59
2010-05-17	James Hintz	NF-PM1	B1=2000000000, B2=50000000000, E=12
2006-01-15	Joss	NF-PM1	B1=300000000
2006-01-15	Joss	NF-PM1	B1=110000000
2006-01-15	Joss	NF-PM1	B1=200000000
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
2002-07-27	-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
2000-08-24	-anonymous-	NF	no factor TF: 1-56
2000-06-29	-anonymous-	NF	no factor TF: 1-55
2000-06-28	-anonymous-	NF	no factor TF: 1-55
1999-12-30	-anonymous-	NF	no factor TF: 53-54
1999-09-14	-anonymous-	NF	no factor TF: 52-53

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