9 533 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
11593261585154967627826223	26	83.3	old
29172680585541914896527061212538594780123250369	47	154.4	2024-09-25 04:51:31

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	6968 / 16550

Estimated T-Level: 47.1 ⓘ

TF below 2^151 is very unlikely to find new factors due to ECM effort.

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Factored	No proof (small exponent)	2017-09-21	Oliver Kruse	D463F85E58608CA2	1	0	1	3
Factored	No proof (small exponent)	2017-10-12	kkmrkkblmbrbk	D463F85E58608CA2	1	3007	1	3
Factored	No proof (small exponent)	2020-04-17	Oliver Kruse	93A80281F2B687AF	1	8847	5	3
Factored	No proof (small exponent)	2024-07-01	kkmrkkblmbrbk	93A80281F2B687AF	1	6660	5	3
Verified	No proof (small exponent)	2024-09-25	nordi	93A80281F2B687AF	2	8083	5	3

History

Date	User	Type	Result
2025-03-30	masser	NF-PP1	Start=130/53, B1=1000000000, B2=999000000000
2024-09-25	nordi	C-PRP	M9533/11593261585154967627826223/29172680585541914896527061212538594780123250369 : 93A80281F2B687AF
2024-09-25	nordi	F-ECM	Factor: 29172680585541914896527061212538594780123250369 / ECM curve 497, B1=45000000, B2=1117403522235, Edwards Sigma=2193861497164081
2024-07-01	kkmrkkblmbrbk	C-PRP	M9533/11593261585154967627826223 : 93A80281F2B687AF
2023-06-27	JacobZ	NF-PM1	B1=61000000000, B2=254995794420917550
2022-02-03	ANONYMOUS	NF-PM1	B1=100000000, B2=30555685210050
2022-02-03	-anonymous-	NF-PM1	B1=50000, B2=15277839797220
2020-04-17	Oliver Kruse	C-PRP	M9533/11593261585154967627826223 : 93A80281F2B687AF
2017-10-12	kkmrkkblmbrbk	C-PRP	M9533/11593261585154967627826223 : D463F85E58608CA2
2017-09-21	Oliver Kruse	C-PRP	M9533/11593261585154967627826223 : D463F85E58608CA2
2017-09-21	Oliver Kruse	C-PRP	M9533/11593261585154967627826223 : D463F85E58608CA2