9 241 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
402719448640550999	18	58.5	old
42833623397271509550058451923527601	35	115.0	2018-05-27 20:00:54

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1281 / 9201

Estimated T-Level: 40.7 ⓘ

TF below 2^130 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-21	Oliver Kruse	8EB7BD4A4CD9E669	1	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	8EB7BD4A4CD9E669	1	413	1	3
Verified	2018-05-28	ANONYMOUS	148EFFBBB703BCB3	2	2726	5	3
Verified	2018-05-29	Oliver Kruse	148EFFBBB703BCB3	2	8010	5	3

History

Date	User	Type	Result
2023-07-10	JacobZ	NF-PM1	B1=63000000000, B2=255469764292442700
2021-12-16	Lisander Viaene	NF-PM1	B1=100000000
2018-05-29	Oliver Kruse	C-PRP	M9241/402719448640550999/42833623397271509550058451923527601 : 148EFFBBB703BCB3 PRP: Verified PRP without proof (small exponent)
2018-05-28	ANONYMOUS	C-PRP	M9241/402719448640550999/42833623397271509550058451923527601 : 148EFFBBB703BCB3 PRP: Verified PRP without proof (small exponent)
2018-05-27	Hexaflexagon	F-ECM	Factor: 42833623397271509550058451923527601 / (ECM curve 154, B1=3000000, B2=300000000)
2017-10-12	kkmrkkblmbrbk	C-PRP	M9241/402719448640550999 : 8EB7BD4A4CD9E669 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M9241/402719448640550999 : 8EB7BD4A4CD9E669 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M9241/402719448640550999 : 8EB7BD4A4CD9E669 PRP without proof (not generated)