2 816 453 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
11828171097002867445623	23	73.3	2021-02-07 00:21:27

ECM

Digits	B1	Curves
25	50000	69 / 280

Estimated T-Level: 21.2 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Charlie Dorian	086BD79A8949F808	0
Verified (Factored)	2000-08-10	WeaCheslaw L. Oleinik	086BD79A8949F808	1504719
Verified (Factored)	2018-09-05	kkmrkkblmbrbk	086BD79A8949F808	2459130

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-02-07	ViliamF	74BF935E6971369C	1	785061	5	3

History

Date	User	Type	Result
2021-02-07	Ben Delo	CERT	PRP Certification Proof certified good
2021-02-07	ViliamF	C-PRP	M2816453/11828171097002867445623 : 74BF935E6971369C PRP proof power = 7 PRP: Verified Proof certified good
2021-02-07	Zenzoma	F-ECM	Factor: 11828171097002867445623 / (ECM curve 4, B1=50000, B2=5000000, Sigma=2855113566386108)
2020-01-15	masser	NF-PM1	B1=5000000, B2=200000000, E=12
2019-09-28	masser	NF-PM1	B1=2816453, B2=28164530, E=12
2018-12-31	chuenkit	NF	no factor from 2^67 to 2^68
2018-09-05	kkmrkkblmbrbk	C-LL	086BD79A8949F808
2017-10-24	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-04-22	Joss	NF-PM1	B1=509342, B2=16799867, E=12
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-02-12	ramgeis	NF	no factor from 2^65 to 2^66
2015-05-09	Squeeky_Squirrel	NF-PM1	B1=195000, B2=5752500, E=12
2015-04-21	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-21	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-12-02	Joss	NF-PM1	B1=122789
2014-04-24	-Anonymous-	NF-PM1	B1=100000
2014-04-19	Joss	NF-PM1	B1=60000
2013-01-10	dbaugh	NF	no factor from 2^62 to 2^63
2012-02-19	markr	NF	no factor from 2^61 to 2^62
2009-02-13	Sturle Sunde	NF	no factor from 2^60 to 2^61

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