2 163 349 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
4387582480384700959471	22	71.9	2020-01-28 07:11:41

ECM

Digits	B1	Curves
25	50000	135 / 280

Estimated T-Level: 22.4 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)	1998-03-17	Dongsheng Liu	124D3A167164E4B3	0
Verified (Factored)	1999-02-07	James Arnold	124D3A167164E4B3	1235406
Verified (Factored)	2018-04-11	kkmrkkblmbrbk	124D3A167164E4B3	1470615

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-01-29	Niels_Mache_Nextcloud	44C144C45C76F371	1	269722	5	3
Verified	2020-01-29	Jinyuan Wang	44C144C45C76F371	1	277650	5	3
Verified	2020-01-29	marssystems	44C144C45C76F371	1	1677997	5	3

History

Date	User	Type	Result
2020-01-29	marssystems	C-PRP	M2163349/4387582480384700959471 : 44C144C45C76F371 PRP: Verified PRP without proof (not generated)
2020-01-29	Jinyuan Wang	C-PRP	M2163349/4387582480384700959471 : 44C144C45C76F371 PRP: Verified PRP without proof (not generated)
2020-01-29	Niels_Mache_Nextcloud	C-PRP	M2163349/4387582480384700959471 : 44C144C45C76F371 PRP: Verified PRP without proof (not generated)
2020-01-28	Keysarecool	F-ECM	Factor: 4387582480384700959471 / (ECM curve 2, B1=50000, B2=5000000, Sigma=5657159467464398)
2019-10-21	mikr	NF-PM1	B1=5000000, B2=200000000, E=12
2019-05-13	TJAOI	NF	no factor from 2^67 to 2^68
2018-04-11	kkmrkkblmbrbk	C-LL	124D3A167164E4B3
2017-09-13	Joss	NF-PM1	B1=576000, B2=5760000, E=6
2017-09-05	Joss	NF-PM1	B1=480000, B2=4800000, E=6
2016-11-10	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-04-20	Joss	NF-PM1	B1=240000, B2=8835230, E=12
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-12-30	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-25	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-25	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-05	Joss	NF-PM1	B1=149669
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2011-01-22	markr	NF-PM1	B1=120000, B2=2340000, E=6
2011-01-15	Joss	NF-PM1	B1=50000
2010-11-07	Joss	NF-PM1	B1=30000
2010-11-04	Joss	NF-PM1	B1=15000
2009-01-07	Sturle Sunde	NF	no factor from 2^61 to 2^62
2009-01-04	Sturle Sunde	NF	no factor from 2^60 to 2^61

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