2 092 589 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
17539163942505002302391	23	73.9	2021-05-10 04:51:02

ECM

Digits	B1	Curves
25	50000	166 / 280

Estimated T-Level: 23.0 ⓘ

TF below 2^71 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		John Lloyd	F46C93719E3C61A3	0
Verified (Factored)	1999-01-17	David Phillips	F46C93719E3C61A3	988527
Verified (Factored)	2017-06-12	kkmrkkblmbrbk	F46C93719E3C61A3	46603

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-05-12	kutens	22B5B7B0DBC3B298	1	1388840	5	3

History

Date	User	Type	Result
2021-05-12	b3g	CERT	PRP Certification Proof certified good
2021-05-12	kutens	C-PRP	M2092589/17539163942505002302391 : 22B5B7B0DBC3B298 PRP proof power = 7 PRP: Verified Proof certified good
2021-05-10	Zenzoma	F-ECM	Factor: 17539163942505002302391 / (ECM curve 3, B1=50000, B2=5000000, Sigma=408508194055600)
2019-04-01	chuenkit	NF	no factor from 2^67 to 2^68
2017-06-12	kkmrkkblmbrbk	C-LL	F46C93719E3C61A3
2017-05-13	mikr	NF-PM1	B1=2500000, B2=125000000, E=12
2016-11-08	Joss	NF-PM1	B1=268329
2016-11-05	Joss	NF-PM1	B1=223608
2016-09-21	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-07-27	Joss	NF-PM1	B1=186340, B2=6300000, 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
2015-04-10	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-10	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-09-03	ramgeis	NF	no factor from 2^62 to 2^63
2012-03-23	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-19	James Heinrich	NF-PM1	B1=140000, B2=3150000, E=6
2011-01-08	Joss	NF-PM1	B1=50000
2010-12-28	Joss	NF-PM1	B1=30000
2009-07-27	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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