11 933 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
593622239911	12	39.1	old
785584270743386356819513423	27	89.3	2008-10-16 23:57:25

P-1 factors

Date	Factors	B1	B2
2023-04-06	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	1912 / 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	3EB9597309AC1FB0	2	0	1	3
Verified	No proof (small exponent)	2017-10-02	kkmrkkblmbrbk	3EB9597309AC1FB0	2	0	1	3
Verified	No proof (small exponent)	2017-12-07	ATH	3EB9597309AC1FB0	2	11168	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	E7E116229D083C7D	2	3060	5	3
Verified	No proof (small exponent)	2024-07-01	kkmrkkblmbrbk	E7E116229D083C7D	2	10245	5	3

History

Date	User	Type	Result
2025-03-10	masser	NF-PP1	Start=164/59, B1=430000000, B2=429570000000
2025-02-28	masser	NF-PP1	Start=6/5, B1=430000000, B2=429570000000
2025-01-21	masser	NF-PP1	Start=2/7, B1=430000000, B2=429570000000
2024-07-01	kkmrkkblmbrbk	C-PRP	M11933/593622239911/785584270743386356819513423 : E7E116229D083C7D
2023-04-06	-anonymous-	F-PM1	Factor: 785584270743386356819513423 / B1=100000000000, B2=122192573512709700
2020-04-17	Oliver Kruse	C-PRP	M11933/593622239911/785584270743386356819513423 : E7E116229D083C7D
2017-12-07	ATH	C-PRP	M11933/593622239911/785584270743386356819513423 : 3EB9597309AC1FB0
2017-10-02	kkmrkkblmbrbk	C-PRP	M11933/593622239911/785584270743386356819513423 : 3EB9597309AC1FB0
2017-09-21	Oliver Kruse	C-PRP	M11933/593622239911/785584270743386356819513423 : 3EB9597309AC1FB0
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=10000000000, E=12
2011-02-05	Oscar Östlin	F-PM1	Factor: 785584270743386356819513423
2008-10-16	-anonymous-	F-ECM	Factor: 785584270743386356819513423