2 086 543 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
40632155142792201268506169	26	85.1	2020-07-28 22:34:46

ECM

Digits	B1	Curves
25	50000	113 / 280

Estimated T-Level: 22.0 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Mischa Kenn	7E4D4A8BCD29E9DF	0
Verified (Factored)		Phil Nesser	7E4D4A8BCD29E9DF	0
Verified (Factored)	1999-01-29	Ricardo Mones Lastra	7E4D4A8BCD29E9DF	1421915

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-07-29	M Miller	23AF5BB23EBAB3CB	1	1306911	5	3
Verified	2020-07-30	marssystems	23AF5BB23EBAB3CB	1	266817	5	3

History

Date	User	Type	Result
2020-07-30	marssystems	C-PRP	M2086543/40632155142792201268506169 : 23AF5BB23EBAB3CB PRP: Verified PRP without proof (not generated)
2020-07-29	M Miller	C-PRP	M2086543/40632155142792201268506169 : 23AF5BB23EBAB3CB PRP: Verified PRP without proof (not generated)
2020-07-28	daveward2005	F-ECM	Factor: 40632155142792201268506169 / (ECM curve 2, B1=50000, B2=5000000)
2019-04-01	chuenkit	NF	no factor from 2^67 to 2^68
2017-05-13	Joss	NF-PM1	B1=364674, B2=3646740, E=6
2017-04-17	mikr	NF-PM1	B1=2500000, B2=125000000, E=12
2016-11-06	Joss	NF-PM1	B1=262564
2016-11-04	Joss	NF-PM1	B1=218804
2016-09-18	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-07-06	Joss	NF-PM1	B1=182337, B2=5872500, E=12
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-11-06	ramgeis	NF	no factor from 2^65 to 2^66
2015-04-05	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-05	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-09-03	ramgeis	NF	no factor from 2^62 to 2^63
2012-03-19	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-25	James Heinrich	NF-PM1	B1=135000, B2=2936250, E=6
2011-01-08	Joss	NF-PM1	B1=50000
2010-12-28	Joss	NF-PM1	B1=30000
2009-07-26	USAFSS	NF-PM1	B1=20000, B2=260000
2009-01-03	Sturle Sunde	NF	no factor from 2^60 to 2^61

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