1 761 833 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
2617488461366875547753	22	71.1	2019-11-19 06:27:17

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Ken Kriesel	9ACEAD0154004B33	0
Verified (Factored)	1999-03-26	Rick Owens	9ACEAD0154004B33	1664045
Verified (Factored)	2015-07-01	MadPoo	9ACEAD0154004B33	1684582

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-11-20	mnd9	7C086BEAF7DD5E9B	1	94188	5	3
Verified	2019-11-20	ATH	7C086BEAF7DD5E9B	1	164281	5	3

History

Date	User	Type	Result
2019-11-20	ATH	C-PRP	M1761833/2617488461366875547753 : 7C086BEAF7DD5E9B PRP: Verified PRP without proof (not generated)
2019-11-20	mnd9	C-PRP	M1761833/2617488461366875547753 : 7C086BEAF7DD5E9B PRP: Verified PRP without proof (not generated)
2019-11-19	Sergey Nosov	F-ECM	Factor: 2617488461366875547753 / (ECM curve 3, B1=50000, B2=5000000)
2019-08-16	TJAOI	NF	no factor from 2^67 to 2^68
2018-10-19	Joss	NF-PM1	B1=1761833, B2=193801630, E=12
2018-09-14	Joss	NF-PM1	B1=1761833, B2=176183300, E=12
2018-04-30	TJAOI	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-09-07	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-01	MadPoo	C-LL	9ACEAD0154004B33
2015-05-01	mikr	NF-PM1	B1=2475400, B2=86660000, E=12
2015-04-29	snme2pm1	NF	no factor from 2^64 to 2^65
2015-04-29	snme2pm1	NF	no factor from 2^63 to 2^64
2014-09-17	-Anonymous-	NF-PM1	B1=172860
2014-05-09	Joss	NF-PM1	B1=136430
2014-04-08	Joss	NF-PM1	B1=100000
2011-02-10	Carsten Kossendey	NF-PM1	B1=95000, B2=1591250, E=6
2010-12-13	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-20	Architects Cubed	NF	no factor from 2^60 to 2^61

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