9 433 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
444094320401	12	38.7	old
15677581761271	14	43.8	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	5660 / 16550

Estimated T-Level: 46.7 ⓘ

TF below 2^150 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	54BF858B1182966B	2	0	1	3
Verified	No proof (small exponent)	2017-10-12	kkmrkkblmbrbk	54BF858B1182966B	2	3179	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	7ADBBC0745009C60	2	4708	5	3
Verified	No proof (small exponent)	2020-10-18	ViliamF	7ADBBC0745009C60	2	1810	5	3

History

Date	User	Type	Result
2025-04-03	masser	NF-PP1	Start=106/47, B1=1000000000, B2=999000000000
2023-07-01	JacobZ	NF-PM1	B1=61000000000, B2=254995794420917550
2022-01-24	Ethan O'Connor	NF-PM1	B1=1000000000, B2=10009053139105020
2022-01-24	Ethan O'Connor	NF-PM1	B1=1000000000, B2=500467285057740
2020-11-24	Oliver Kruse	NF-PM1	B1=1000000000, B2=205702371522480
2020-10-18	ViliamF	C-PRP	M9433/444094320401/15677581761271 : 7ADBBC0745009C60
2020-04-17	Oliver Kruse	C-PRP	M9433/444094320401/15677581761271 : 7ADBBC0745009C60
2017-10-12	kkmrkkblmbrbk	C-PRP	M9433/444094320401/15677581761271 : 54BF858B1182966B
2017-09-21	Oliver Kruse	C-PRP	M9433/444094320401/15677581761271 : 54BF858B1182966B
2017-09-21	Oliver Kruse	C-PRP	M9433/444094320401/15677581761271 : 54BF858B1182966B