3 392 953 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
8787847231875905858657	22	72.9	2021-08-29 02:00:58

ECM

Digits	B1	Curves
25	50000	60 / 280

Estimated T-Level: 21.1 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-04-05	Chionh Wei Peng	BBE258852BF38F67	0
Verified (Factored)	1999-09-14	Kirk Houser	BBE258852BF38F67	1450846

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-08-29	SRJ2877	846A2F309854B8E2	1	1895941	5	3

History

Date	User	Type	Result
2022-04-06	Joss	NF-PM1	B1=1000000, B2=123342450
2021-08-29	carlds	CERT	PRP Certification Proof certified good
2021-08-29	SRJ2877	C-PRP	M3392953/8787847231875905858657 : 846A2F309854B8E2 PRP proof power = 7 PRP: Verified Proof certified good
2021-08-29	MarkS	F-ECM	Factor: 8787847231875905858657 / (ECM curve 17, B1=50000, B2=5000000, Sigma=4811105621113814)
2021-08-28	MadPoo	NF	no factor from 2^69 to 2^70
2021-07-07	mikr	NF-PM1	B1=4000000, B2=150000000, E=12
2021-06-28	TJAOI	NF	no factor from 2^68 to 2^69
2021-06-06	Numberwang	NF-PM1	B1=1000000, B2=30000000
2018-09-17	TJAOI	NF	no factor from 2^67 to 2^68
2017-03-12	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-07-22	Joss	NF-PM1	B1=302354, B2=8745000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-10-27	Squeeky_Squirrel	NF-PM1	B1=165000, B2=4372500, E=6
2015-04-04	Gordon Spence	NF	no factor from 2^65 to 2^66
2015-02-18	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-18	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-13	Joss	NF-PM1	B1=97834
2014-07-04	Joss	NF-PM1	B1=78917
2012-11-15	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-10-23	USAFSS	NF-PM1	B1=60000, B2=945000, E=6
2011-08-19	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-10	Carsten Kossendey	NF-PM1	B1=15000, B2=206250
2009-03-25	S485122	NF	no factor from 2^60 to 2^61

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