2 079 719 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
4627188474058981223	19	62.0	2009-11-02 11:00:06

ECM

Digits	B1	Curves
25	50000	128 / 280

Estimated T-Level: 22.3 ⓘ

TF below 2^69 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Phil Nesser	AA62A93BD4C799EF	0
Verified (Factored)	1999-02-07	YatHong Yu	AA62A93BD4C799EF	198269

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-06	Oliver Kruse	F629EF301A91343E	1	0	1	3
Verified	2017-11-16	kkmrkkblmbrbk	F629EF301A91343E	1	1972929	1	3

History

Date	User	Type	Result
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2017-11-16	kkmrkkblmbrbk	C-PRP	M2079719/4627188474058981223 : F629EF301A91343E PRP: Verified PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2079719/4627188474058981223 : F629EF301A91343E PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2009-11-02	KAMCOBILL	F-ECM	Factor: 4627188474058981223
2009-07-25	USAFSS	NF-PM1	B1=20000, B2=260000
2009-01-03	Sturle Sunde	NF	no factor from 2^60 to 2^61