3 613 447 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
24749511688078452439	20	64.4	2012-05-01 08:17:13

ECM

Digits	B1	Curves
25	50000	4 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-02-08	Peter Owen	897699CFDE909B29	0
Verified (Factored)	1999-07-27	Jon Dugan	897699CFDE909B29	2515316

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-10	kkmrkkblmbrbk	794F37380880BB9A	1	2738126	5	3
Verified	2017-11-26	Oliver Kruse	794F37380880BB9A	1	2073136	5	3

History

Date	User	Type	Result
2022-05-26	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-22	Joss	NF-PM1	B1=100000
2022-03-05	Joss	NF-PM1	B1=90000
2017-11-26	Oliver Kruse	C-PRP	M3613447/24749511688078452439 : 794F37380880BB9A PRP: Verified PRP without proof (not generated)
2017-11-10	kkmrkkblmbrbk	C-PRP	M3613447/24749511688078452439 : 794F37380880BB9A PRP: Verified PRP without proof (not generated)
2012-05-01	sannerud.com	F-ECM	Factor: 24749511688078452439
2011-12-03	markr	NF-PM1	B1=240000, B2=6180000, E=12
2011-06-01	markr	NF	no factor from 2^61 to 2^62
2009-07-06	Carsten Kossendey	NF-PM1	B1=20000, B2=245000
2009-03-12	S485122	NF	no factor from 2^60 to 2^61