1 463 641 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
2839167025126550441	19	61.3	2009-04-02 11:57:16

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		ROLAND BOCKHORST	801DC2B383324EC0	0
Verified (Factored)	1999-01-10	Philip Heede	801DC2B383324EC0	1334466

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-01	Oliver Kruse	32057C1E51A608A2	1	0	1	3
Verified	2017-11-05	kkmrkkblmbrbk	32057C1E51A608A2	1	1059943	1	3

History

Date	User	Type	Result
2017-11-05	kkmrkkblmbrbk	C-PRP	M1463641/2839167025126550441 : 32057C1E51A608A2 PRP: Verified PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1463641/2839167025126550441 : 32057C1E51A608A2 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2009-04-02	axn	F-ECM	Factor: 2839167025126550441