1 870 711 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
302983734357424626067993	24	78.0	2017-06-06 17:17:07

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)		Joel Smith	CCEB9035463CB563	0
Verified (Factored)	1999-01-29	James Seward	CCEB9035463CB563	387746
Verified (Factored)	2015-07-16	MadPoo	CCEB9035463CB563	1147413

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-28	alpertron	0CDADA495D9A3296	1	0	1	3
Verified	2017-10-20	Oliver Kruse	0CDADA495D9A3296	1	1703783	1	3

History

Date	User	Type	Result
2017-10-20	Oliver Kruse	C-PRP	M1870711/302983734357424626067993 : 0CDADA495D9A3296 PRP: Verified PRP without proof (not generated)
2017-09-28	alpertron	C-PRP	M1870711/302983734357424626067993 : 0CDADA495D9A3296 PRP: Verified PRP without proof (not generated)
2017-06-19	Joss	NF-PM1	B1=1665792, B2=29984256, E=12
2017-06-06	Chang Chia-Tche	F-ECM	Factor: 302983734357424626067993 / (ECM curve 2, B1=50000, B2=5000000)
2017-05-22	Joss	NF-PM1	B1=1388160, B2=13881600, E=12
2017-01-21	Joss	NF-PM1	B1=1156800
2017-01-03	Joss	NF-PM1	B1=864000
2016-12-20	Joss	NF-PM1	B1=720000
2016-11-03	Joss	NF-PM1	B1=600000
2016-10-07	Joss	NF-PM1	B1=500000, B2=39600000, E=6
2016-09-10	Joss	NF-PM1	B1=500000, B2=30000000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2015-10-07	Bruno Victal	NF-PM1	B1=500000, B2=15000000, E=12
2015-09-11	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-16	MadPoo	C-LL	CCEB9035463CB563
2015-05-08	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-08	snme2pm1	NF	no factor from 2^63 to 2^64
2012-01-09	markr	NF-PM1	B1=275000, B2=6000000, E=12
2011-03-08	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-10	Architects Cubed	NF	no factor from 2^60 to 2^61

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