9 739 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
263751599	9	28.0	old
93659885089	11	36.4	old
259908822802932530786005423324417247	36	117.6	old

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	6802 / 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
Verified	No proof (small exponent)	2017-09-21	Oliver Kruse	EC0C1B72925032FB	3	0	1	3
Verified	No proof (small exponent)	2017-10-02	kkmrkkblmbrbk	EC0C1B72925032FB	3	0	1	3
Verified	No proof (small exponent)	2017-12-07	ATH	EC0C1B72925032FB	3	9627	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	01CE9595C58BC9AC	3	5242	5	3
Verified	No proof (small exponent)	2024-07-01	kkmrkkblmbrbk	01CE9595C58BC9AC	3	1543	5	3

History

Date	User	Type	Result
2025-03-25	masser	NF-PP1	Start=139/37, B1=1000000000, B2=999000000000
2024-07-01	kkmrkkblmbrbk	C-PRP	M9739/259908822802932530786005423324417247/263751599/93659885089 : 01CE9595C58BC9AC
2023-06-18	JacobZ	NF-PM1	B1=59000000000, B2=250256095608669150
2020-09-26	nordi	NF-PM1	B1=2103220205, B2=67303046573
2020-04-17	Oliver Kruse	C-PRP	M9739/263751599/93659885089/259908822802932530786005423324417247 : 01CE9595C58BC9AC
2017-12-07	ATH	C-PRP	M9739/263751599/93659885089/259908822802932530786005423324417247 : EC0C1B72925032FB
2017-10-02	kkmrkkblmbrbk	C-PRP	M9739/263751599/93659885089/259908822802932530786005423324417247 : EC0C1B72925032FB
2017-09-21	Oliver Kruse	C-PRP	M9739/known_factors : EC0C1B72925032FB