1 720 669 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

1720669

Factored

Factor	Digits	Bits	Date
22568199109195337178514663	26	84.2	2019-08-26 23:05:42
129302873938324970977919863	27	86.7	2020-04-06 09:20:07

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)		Andrew Churchill	8096B72C1FE960D7	0
Verified (Factored)		Steve Potocny	8096B72C1FE960D7	0
Verified (Factored)	2015-07-04	MadPoo	8096B72C1FE960D7	1341466

PRP Cofactor

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2019-08-27	Niels_Mache_Nextcloud	2297799B7E97F1F9	1	1203841	5	3
Verified (Factored)	2019-08-28	marssystems	2297799B7E97F1F9	1	1618234	5	3
Verified	2020-04-06	ATH	2297799B7E97F1F9	2	827609	5	3

History

Date	User	Type	Result
2020-04-06	ATH	C-PRP	M1720669/22568199109195337178514663/129302873938324970977919863 : 2297799B7E97F1F9 PRP: Verified PRP without proof (not generated)
2020-04-06	TJAOI	F-ECM	Factor: 129302873938324970977919863 / (ECM curve 97, B1=50000, B2=5000000)
2019-08-28	marssystems	C-PRP	M1720669/22568199109195337178514663 : 2297799B7E97F1F9 PRP: Verified PRP without proof (not generated)
2019-08-27	Niels_Mache_Nextcloud	C-PRP	M1720669/22568199109195337178514663 : 2297799B7E97F1F9 PRP: Verified PRP without proof (not generated)
2019-08-26	nordi	F-ECM	Factor: 22568199109195337178514663 / (ECM curve 24, B1=50000, B2=5000000, Sigma=3749893409787310)
2019-08-06	TJAOI	NF	no factor from 2^67 to 2^68
2018-10-17	Joss	NF-PM1	B1=1720669, B2=189273590, E=12
2018-05-07	TJAOI	NF	no factor from 2^66 to 2^67
2018-03-31	Joss	NF-PM1	B1=1720669, B2=172066900, E=12
2018-03-15	Joss	NF-PM1	B1=1720669, B2=130000000, E=12
2018-02-04	Joss	NF-PM1	B1=1720669, B2=65000000, E=12
2018-02-04	Joss	NF-PM1	B1=1500000
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
2015-09-02	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-04	MadPoo	C-LL	8096B72C1FE960D7
2015-05-03	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-03	snme2pm1	NF	no factor from 2^63 to 2^64
2015-02-21	David Campeau	NF-PM1	B1=1500000, B2=65000000, E=12
2015-02-12	Joss	NF-PM1	B1=373947
2015-01-09	Joss	NF-PM1	B1=280953
2014-10-06	Joss	NF-PM1	B1=187302
2014-05-03	Joss	NF-PM1	B1=150000
2014-04-04	Joss	NF-PM1	B1=100000
2011-02-08	Carsten Kossendey	NF-PM1	B1=90000, B2=1507500, E=6
2010-10-27	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-22	Architects Cubed	NF	no factor from 2^60 to 2^61

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