2 429 671 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
5988954214000850437715081	25	82.3	2020-09-09 02:07:40

ECM

Digits	B1	Curves
25	50000	78 / 280

Estimated T-Level: 21.4 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Shaun Griffith	C441965F7CC724C2	0
Verified (Factored)	1999-03-15	David Phillips	C441965F7CC724C2	966335
Verified (Factored)	2018-05-21	kkmrkkblmbrbk	C441965F7CC724C2	1944914

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-09-09	M Miller	495258FC7538BCF1	1	681447	5	3

History

Date	User	Type	Result
2020-09-09	Ben Delo	CERT	PRP Certification Proof certified good
2020-09-09	M Miller	C-PRP	M2429671/5988954214000850437715081 : 495258FC7538BCF1 PRP proof power = 7 PRP: Verified Proof certified good
2020-09-09	daveward2005	F-ECM	Factor: 5988954214000850437715081 / (ECM curve 3, B1=50000, B2=5000000)
2019-04-15	TJAOI	NF	no factor from 2^67 to 2^68
2019-03-30	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=583120
2018-05-21	kkmrkkblmbrbk	C-LL	C441965F7CC724C2
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
2015-10-23	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
2013-12-04	Jerry Hallett	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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