2 073 853 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
8656262423	10	33.0	old
683066455784161	15	49.3	2008-09-30 14:36:26
9591520632262863934033	22	73.0	2019-08-09 21:24:55

ECM

Digits	B1	Curves
25	50000	108 / 280

Estimated T-Level: 21.9 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-06	Oliver Kruse	3E48DDF51D7E66FF	2	0	1	3
Verified (Factored)	2017-11-16	kkmrkkblmbrbk	3E48DDF51D7E66FF	2	614724	1	3
Verified	2019-08-10	trebor	2ED0B5DF7A9C80B4	3	1703182	5	3
Verified	2019-08-12	arnaud	2ED0B5DF7A9C80B4	3	153996	5	3

History

Date	User	Type	Result
2019-08-12	arnaud	C-PRP	M2073853/8656262423/683066455784161/9591520632262863934033 : 2ED0B5DF7A9C80B4 PRP: Verified PRP without proof (not generated)
2019-08-10	trebor	C-PRP	M2073853/8656262423/683066455784161/9591520632262863934033 : 2ED0B5DF7A9C80B4 PRP: Verified PRP without proof (not generated)
2019-08-09	MarkS	F-ECM	Factor: 9591520632262863934033 / (ECM curve 3, B1=50000, B2=5000000)
2017-11-16	kkmrkkblmbrbk	C-PRP	M2073853/8656262423/683066455784161 : 3E48DDF51D7E66FF PRP: Verified PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2073853/8656262423/683066455784161 : 3E48DDF51D7E66FF PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-09-30	markr	F	Factor: 683066455784161