2 429 509 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
216330289173246073456777	24	77.5	2021-02-13 09:16:08

ECM

Digits	B1	Curves
25	50000	112 / 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)		Shaun Griffith	A6081D065E9747DB	0
Verified (Factored)		Cornelius Caesar	A6081D065E9747DB	0
Verified (Factored)	2015-11-15	MadPoo	A6081D065E9747DB	174807

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-02-14	M8909387	C6E331C7DB837E12	1	1474592	5	3

History

Date	User	Type	Result
2021-02-14	curtisc	CERT	PRP Certification Proof certified good
2021-02-14	M8909387	C-PRP	M2429509/216330289173246073456777 : C6E331C7DB837E12 PRP proof power = 7 PRP: Verified Proof certified good
2021-02-13	Zenzoma	F-ECM	Factor: 216330289173246073456777 / (ECM curve 2, B1=50000, B2=5000000, Sigma=5676003199421651)
2019-04-15	TJAOI	NF	no factor from 2^67 to 2^68
2019-03-31	Sid & Andy	NF-PM1	B1=6000000, B2=180000000, E=12
2018-09-12	Joss	NF-PM1	B1=660000, B2=1980000
2018-09-05	Joss	NF-PM1	B1=660000
2018-09-03	Joss	NF-PM1	B1=583081
2017-07-08	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-04-12	Joss	NF-PM1	B1=330000, B2=3300000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2015-11-15	MadPoo	C-LL	A6081D065E9747DB
2015-10-23	ramgeis	NF	no factor from 2^65 to 2^66
2015-02-27	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-27	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2012-06-05	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-28	James Heinrich	NF-PM1	B1=165000, B2=3795000, E=6
2011-01-18	Joss	NF-PM1	B1=50000
2010-10-12	Oscar Östlin	NF-PM1	B1=40000, B2=640000, E=6
2009-01-11	Sturle Sunde	NF	no factor from 2^60 to 2^61

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