11 801 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite, with 3 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
134746519107289	15	46.9	old
8741057070084400701680457449	28	92.8	2008-10-25 20:59:11
58443060103003086576085732801	29	95.6	2008-10-25 20:59:11

P-1 factors

Date	Factors	B1	B2
2023-03-26	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	1899 / 9201

Estimated T-Level: 41.0 ⓘ

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

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	No proof (small exponent)	2017-09-21	Oliver Kruse	68102CA064894C85	3	0	1	3
Verified	No proof (small exponent)	2017-10-02	kkmrkkblmbrbk	68102CA064894C85	3	0	1	3
Verified	No proof (small exponent)	2017-12-07	ATH	68102CA064894C85	3	9822	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	569E87D1BE724BDE	3	10764	5	3
Verified	No proof (small exponent)	2024-07-01	kkmrkkblmbrbk	569E87D1BE724BDE	3	7936	5	3

History

Date	User	Type	Result
2025-03-12	masser	NF-PP1	Start=89/59, B1=430000000, B2=429570000000
2025-03-01	masser	NF-PP1	Start=6/5, B1=430000000, B2=429570000000
2025-01-22	masser	NF-PP1	Start=2/7, B1=430000000, B2=429570000000
2024-07-01	kkmrkkblmbrbk	C-PRP	M11801/134746519107289/58443060103003086576085732801/8741057070084400701680457449 : 569E87D1BE724BDE
2023-03-26	-anonymous-	F-PM1	Factor: 58443060103003086576085732801 / B1=100000000000, B2=122192573512709700
2020-04-17	Oliver Kruse	C-PRP	M11801/134746519107289/8741057070084400701680457449/58443060103003086576085732801 : 569E87D1BE724BDE
2017-12-07	ATH	C-PRP	M11801/134746519107289/8741057070084400701680457449/58443060103003086576085732801 : 68102CA064894C85
2017-10-02	kkmrkkblmbrbk	C-PRP	M11801/134746519107289/8741057070084400701680457449/58443060103003086576085732801 : 68102CA064894C85
2017-09-21	Oliver Kruse	C-PRP	M11801/134746519107289/8741057070084400701680457449/58443060103003086576085732801 : 68102CA064894C85
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=10000000000, E=12
2011-02-05	Oscar Östlin	F-PM1	Factor: 134746519107289
2008-10-25	Will Edgington	F-ECM	Factor: 58443060103003086576085732801
2008-10-25	Will Edgington	F-ECM	Factor: 8741057070084400701680457449