11 593 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 2 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
1769595740211508298513	22	70.6	old
20203514568924185812484362649	29	94.0	2008-11-22 12:25:27

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	2103 / 9201

Estimated T-Level: 41.1 ⓘ

TF below 2^132 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	756F7ACB53C5D628	2	0	1	3
Verified	No proof (small exponent)	2017-10-02	kkmrkkblmbrbk	756F7ACB53C5D628	2	0	1	3
Verified	No proof (small exponent)	2017-12-07	ATH	756F7ACB53C5D628	2	2325	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	06BF4305B88F0FAE	2	6189	5	3
Verified	No proof (small exponent)	2024-07-01	kkmrkkblmbrbk	06BF4305B88F0FAE	2	439	5	3

History

Date	User	Type	Result
2025-03-13	masser	NF-PP1	Start=92/29, B1=430000000, B2=429570000000
2025-03-04	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	M11593/1769595740211508298513/20203514568924185812484362649 : 06BF4305B88F0FAE
2023-01-20	-anonymous-	NF-PM1	B1=100000000000, B2=122192573512709700
2020-04-17	Oliver Kruse	C-PRP	M11593/1769595740211508298513/20203514568924185812484362649 : 06BF4305B88F0FAE
2017-12-07	ATH	C-PRP	M11593/1769595740211508298513/20203514568924185812484362649 : 756F7ACB53C5D628
2017-10-02	kkmrkkblmbrbk	C-PRP	M11593/1769595740211508298513/20203514568924185812484362649 : 756F7ACB53C5D628
2017-09-21	Oliver Kruse	C-PRP	M11593/1769595740211508298513/20203514568924185812484362649 : 756F7ACB53C5D628
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=10000000000, E=12
2011-02-05	Oscar Östlin	F-PM1	Factor: 1769595740211508298513
2008-11-22	-anonymous-	F-ECM	Factor: 20203514568924185812484362649