1 584 827 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
119095709254038532817	21	66.7	2013-04-09 18:44:17

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 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)		Dennis Visser	210E77E8096C7950	0
Verified (Factored)	1998-11-14	David Underbakke	210E77E8096C7950	1271578

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-02	Oliver Kruse	AF09744B0C1A524A	1	0	1	3
Verified	2017-10-31	kkmrkkblmbrbk	AF09744B0C1A524A	1	123404	1	3

History

Date	User	Type	Result
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2017-10-31	kkmrkkblmbrbk	C-PRP	M1584827/119095709254038532817 : AF09744B0C1A524A PRP: Verified PRP without proof (not generated)
2017-10-02	Oliver Kruse	C-PRP	M1584827/119095709254038532817 : AF09744B0C1A524A PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2013-04-09	Chang Chia-Tche	F-ECM	Factor: 119095709254038532817
2011-02-02	James Heinrich	NF-PM1	B1=85000, B2=1402500, E=6
2010-06-23	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-05-06	Architects Cubed	NF	no factor from 2^60 to 2^61