3 462 947 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
177322243499969706539110954183491697044649	42	137.0	2021-02-26 12:56:27

ECM

Digits	B1	Curves
25	50000	15 / 280

Estimated T-Level: 20.3 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Kevin Postlewaite	6752CFB670B2A162	0
Verified (Factored)	1999-08-31	Louis Towles	6752CFB670B2A162	470279

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-02-28	LaurV	36B7B781D866FE80	1	642510	5	3

P-1 factors

Date	Factor	B1	B2
2021-02-26	177322243499969706539110954183491697044649	20000000	1000000000

History

Date	User	Type	Result
2022-07-17	Joss	NF-PM1	B1=3462947, B2=3499673100
2022-04-10	Joss	NF-PM1	B1=1000000, B2=126668850
2021-02-28	AngryLispingSloth	CERT	PRP Certification Proof certified good
2021-02-28	LaurV	C-PRP	M3462947/177322243499969706539110954183491697044649 : 36B7B781D866FE80 PRP proof power = 7 PRP: Verified Proof certified good
2021-02-26	axn	F-PM1	Factor: 177322243499969706539110954183491697044649 / (P-1, B1=20000000, B2=1000000000)
2021-01-07	axn	NF	no factor from 2^68 to 2^69
2019-02-11	TJAOI	NF	no factor from 2^67 to 2^68
2017-02-10	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-04-19	Gordon Spence	NF	no factor from 2^65 to 2^66
2015-02-07	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-07	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-09-23	HBendtz	NF-PM1	B1=500000, B2=10000000, E=12
2014-08-21	Joss	NF-PM1	B1=78535
2012-08-18	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-11-08	USAFSS	NF-PM1	B1=60000, B2=990000, E=6
2011-07-28	markr	NF	no factor from 2^61 to 2^62
2009-07-06	Carsten Kossendey	NF-PM1	B1=20000, B2=235000
2009-03-21	S485122	NF	no factor from 2^60 to 2^61

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