11 677 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
6137781511	10	32.5	old
50130837265472329	17	55.5	2008-08-29 02:24:28
918989486420617867226063956361	30	99.5	2017-03-08 01:55:19

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	2121 / 9201

Estimated T-Level: 41.2 ⓘ

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	89AB6ACF5872C303	3	0	1	3
Verified	No proof (small exponent)	2017-10-02	kkmrkkblmbrbk	89AB6ACF5872C303	3	0	1	3
Verified	No proof (small exponent)	2017-12-07	ATH	89AB6ACF5872C303	3	2541	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	6F4B1CF40072C53A	3	4321	5	3
Verified	No proof (small exponent)	2024-07-01	kkmrkkblmbrbk	6F4B1CF40072C53A	3	7560	5	3

History

Date	User	Type	Result
2025-03-13	masser	NF-PP1	Start=173/71, B1=430000000, B2=429570000000
2025-02-27	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	M11677/50130837265472329/6137781511/918989486420617867226063956361 : 6F4B1CF40072C53A
2023-01-20	-anonymous-	NF-PM1	B1=100000000000, B2=122192573512709700
2020-04-17	Oliver Kruse	C-PRP	M11677/6137781511/50130837265472329/918989486420617867226063956361 : 6F4B1CF40072C53A
2017-12-07	ATH	C-PRP	M11677/6137781511/50130837265472329/918989486420617867226063956361 : 89AB6ACF5872C303
2017-10-02	kkmrkkblmbrbk	C-PRP	M11677/6137781511/50130837265472329/918989486420617867226063956361 : 89AB6ACF5872C303
2017-09-21	Oliver Kruse	C-PRP	M11677/6137781511/50130837265472329/918989486420617867226063956361 : 89AB6ACF5872C303
2017-03-08	kkmrkkblmbrbk	F-ECM	Factor: 918989486420617867226063956361
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=10000000000, E=12
2008-08-29	-anonymous-	F-ECM	Factor: 50130837265472329