1 863 347 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
3018006160481114623943	22	71.4	2015-03-19 19:17:19

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	130 / 640

Estimated T-Level: 26.0 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Guenther Ruediger	B14B2F84834842C8	0
Verified (Factored)	1998-12-13	Nuutti Kuosa	B14B2F84834842C8	71128

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-04	Oliver Kruse	27A6A4608BB1F925	1	0	1	3
Verified	2017-11-07	kkmrkkblmbrbk	27A6A4608BB1F925	1	1337828	1	3

History

Date	User	Type	Result
2017-11-07	kkmrkkblmbrbk	C-PRP	M1863347/3018006160481114623943 : 27A6A4608BB1F925 PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1863347/3018006160481114623943 : 27A6A4608BB1F925 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2015-03-19	Chang Chia-Tche	F-ECM	Factor: 3018006160481114623943 / (ECM curve 3, B1=50000, B2=5000000)
2012-01-06	markr	NF-PM1	B1=275000, B2=6000000, E=12
2011-03-08	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-06	Architects Cubed	NF	no factor from 2^60 to 2^61