11 519 Exponent Status

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

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
23039	5	14.5	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	2623 / 9201

Estimated T-Level: 41.4 ⓘ

TF below 2^133 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	13F0C2F82C464EF1	1	0	1	3
Verified	No proof (small exponent)	2017-10-12	kkmrkkblmbrbk	13F0C2F82C464EF1	1	3587	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	5B018AE998F10E96	1	4898	5	3
Verified	No proof (small exponent)	2022-05-12	Jorge Coveiro	5B018AE998F10E96	1	8530	5	3

History

Date	User	Type	Result
2025-03-14	masser	NF-PP1	Start=137/13, 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
2023-01-20	-anonymous-	NF-PM1	B1=100000000000, B2=122192573512709700
2022-05-12	Jorge Coveiro	C-PRP	M11519/23039 : 5B018AE998F10E96
2020-04-17	Oliver Kruse	C-PRP	M11519/23039 : 5B018AE998F10E96
2017-10-12	kkmrkkblmbrbk	C-PRP	M11519/23039 : 13F0C2F82C464EF1
2017-09-21	Oliver Kruse	C-PRP	M11519/23039 : 13F0C2F82C464EF1
2017-09-21	Oliver Kruse	C-PRP	M11519/23039 : 13F0C2F82C464EF1
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=10000000000, E=12