1 938 217 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
20811624419671	14	44.2	old
24147823870500024410689	23	74.4	2019-02-18 15:48:15

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	147 / 640

Estimated T-Level: 26.1 ⓘ

TF below 2^82 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-05	Oliver Kruse	96D1A26593D779B4	1	0	1	3
Verified (Factored)	2017-11-11	kkmrkkblmbrbk	96D1A26593D779B4	1	547844	1	3
Verified	2019-02-19	EthanD	A91477DCA953D511	2	487375	5	3
Verified	2019-02-19	kkmrkkblmbrbk	A91477DCA953D511	2	1880691	5	3

History

Date	User	Type	Result
2019-02-19	kkmrkkblmbrbk	C-PRP	M1938217/20811624419671/24147823870500024410689 : A91477DCA953D511 PRP: Verified PRP without proof (not generated)
2019-02-19	EthanD	C-PRP	M1938217/20811624419671/24147823870500024410689 : A91477DCA953D511 PRP: Verified PRP without proof (not generated)
2019-02-18	Samuel Schmidt	F-ECM	Factor: 24147823870500024410689 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-11	kkmrkkblmbrbk	C-PRP	M1938217/20811624419671 : 96D1A26593D779B4 PRP: Verified PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1938217/20811624419671 : 96D1A26593D779B4 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12