17 509 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
647787021367	12	39.2	old
4973471005782350692390069928434871	34	111.9	2017-11-16 12:25:56
1145195189975870561142633847011722953	37	119.8	2017-11-07 01:22:03

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	2444 / 9201

Estimated T-Level: 41.3 ⓘ

TF below 2^132 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	8255B2EBDE3838E0	1	0	1	3
Factored	No proof (small exponent)	2017-10-12	kkmrkkblmbrbk	8255B2EBDE3838E0	1	16575	1	3
Factored	No proof (small exponent)	2017-11-07	Oliver Kruse	DF33C34A381E5D0E	2	17291	5	3
Factored	No proof (small exponent)	2017-11-08	kkmrkkblmbrbk	DF33C34A381E5D0E	2	12218	5	3
Factored	No proof (small exponent)	2017-11-17	Robin89	3076003BC0CD8C8F	1	0	1	3
Verified	No proof (small exponent)	2017-11-17	Oliver Kruse	DF33C34A381E5D0E	3	11413	5	3
Verified	No proof (small exponent)	2017-12-10	ATH	F011B56D2685EC16	3	3196	1	5
Verified	No proof (small exponent)	2017-12-10	ATH	DF33C34A381E5D0E	3	16014	5	3
Verified	No proof (small exponent)	2017-12-10	Oliver Kruse	F011B56D2685EC16	3	9334	1	5
Verified	No proof (small exponent)	2024-09-22	kkmrkkblmbrbk	DF33C34A381E5D0E	3	16928	5	3

History

Date	User	Type	Result
2024-12-26	masser	NF-PP1	Start=150/47, B1=132000000, B2=131868000000
2024-12-16	masser	NF-PP1	Start=6/5, B1=132000000, B2=131868000000
2024-12-16	masser	NF-PP1	Start=2/7, B1=132000000, B2=131868000000
2024-09-22	kkmrkkblmbrbk	C-PRP	M17509/647787021367/4973471005782350692390069928434871/1145195189975870561142633847011722953 : DF33C34A381E5D0E
2023-04-11	JacobZ	NF-PM1	B1=6100000000, B2=17387415196261110
2022-02-06	ANONYMOUS	NF-PM1	B1=50000
2017-12-10	Oliver Kruse	C-PRP	ERROR PARSING RESULT
2017-12-10	ATH	C-PRP	M17509/647787021367/4973471005782350692390069928434871/1145195189975870561142633847011722953 : DF33C34A381E5D0E
2017-12-10	ATH	C-PRP	ERROR PARSING RESULT
2017-11-17	Oliver Kruse	C-PRP	M17509/647787021367/1145195189975870561142633847011722953/4973471005782350692390069928434871 : DF33C34A381E5D0E
2017-11-17	Robin89	C-PRP	M17509/known_factors : 3076003BC0CD8C8F
2017-11-16	kkmrkkblmbrbk	F-ECM	Factor: 4973471005782350692390069928434871
2017-11-08	kkmrkkblmbrbk	C-PRP	M17509/647787021367/1145195189975870561142633847011722953 : DF33C34A381E5D0E
2017-11-07	Oliver Kruse	C-PRP	M17509/647787021367/1145195189975870561142633847011722953 : DF33C34A381E5D0E
2017-11-07	James Hintz	F-ECM	Factor: 1145195189975870561142633847011722953
2017-10-12	kkmrkkblmbrbk	C-PRP	M17509/647787021367 : 8255B2EBDE3838E0
2017-09-21	Oliver Kruse	C-PRP	M17509/647787021367 : 8255B2EBDE3838E0
2017-09-21	Oliver Kruse	C-PRP	M17509/647787021367 : 8255B2EBDE3838E0