3 667 249 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
343439538302947378252521531857403032501081	42	138.0	2020-10-10 02:42:23

ECM

Digits	B1	Curves
25	50000	12 / 280

Estimated T-Level: 20.2 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Wojciech Florek	1945115FECC47FDE	0
Verified (Factored)	1999-09-22	Douglas Sykora	1945115FECC47FDE	2859677

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-10-10	tottenhoff	E07E900B3AD087FE	1	2654708	5	3
Verified	2020-10-11	kutens	E07E900B3AD087FE	1	1438168	5	3

P-1 factors

Date	Factor	B1	B2
2020-10-10	343439538302947378252521531857403032501081	30000000	600000000

History

Date	User	Type	Result
2022-07-17	Joss	NF-PM1	B1=3667249, B2=3682510650
2022-04-06	Joss	NF-PM1	B1=1000000, B2=147585900
2020-10-11	curtisc	CERT	PRP Certification Proof certified good
2020-10-11	kutens	C-PRP	M3667249/343439538302947378252521531857403032501081 : E07E900B3AD087FE PRP proof power = 7 PRP: Verified Proof certified good
2020-10-10	tottenhoff	C-PRP	M3667249/343439538302947378252521531857403032501081 : E07E900B3AD087FE PRP: Verified PRP without proof (not generated)
2020-10-10	axn	F-PM1	Factor: 343439538302947378252521531857403032501081 / (P-1, B1=30000000, B2=600000000, E=12)
2018-11-26	TJAOI	NF	no factor from 2^67 to 2^68
2017-02-12	Joss	NF-PM1	B1=241228, B2=2412280, E=6
2017-01-29	Joss	NF-PM1	B1=167520
2017-01-03	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-12-30	Joss	NF-PM1	B1=129600
2016-12-24	Joss	NF-PM1	B1=108000
2016-10-02	Joss	NF-PM1	B1=90000, B2=3942000
2016-06-22	Joss	NF-PM1	B1=90000, B2=3285000, E=6
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
2015-10-19	ramgeis	NF	no factor from 2^65 to 2^66
2015-01-23	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-23	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-06-05	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2012-02-06	Squeeky_Squirrel	NF-PM1	B1=90000, B2=1642500, E=6
2011-06-08	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-11	Carsten Kossendey	NF-PM1	B1=20000, B2=260000
2009-03-09	S485122	NF	no factor from 2^60 to 2^61

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