1 749 941 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

No factors below 2⁶⁸

TF target 2⁶¹

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

P-1

B1 =	17000000
B2 =	272007836100

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 640

Estimated T-Level: 25.8 ⓘ

Status	Date	User	Residue	Shift
Verified		Eli Kane	168A0CFD21AC8D53	0
Verified	1999-01-02	Erez	168A0CFD21AC8D53	366695
Verified	2015-06-27	MadPoo	168A0CFD21AC8D53	1037567

History

Date	User	Type	Result
2023-07-19	linament	NF-PM1	B1=17000000, B2=272007836100
2023-07-18	linament	NF-PM1	B1=17000000
2023-06-01	Joss	NF-PM1	B1=1749941, B2=8135913240
2023-01-04	Joss	NF-PM1	B1=1749941, B2=1458959040
2023-01-04	Joss	NF-PM1	B1=1749941, B2=825716430
2022-08-02	masser	NF-PP1	Start=165/41, B1=1700000, B2=61200000
2019-06-17	TJAOI	NF	no factor from 2^67 to 2^68
2018-10-19	Joss	NF-PM1	B1=1749941, B2=192493510, E=12
2018-10-11	Joss	NF-PM1	B1=1749941, B2=174994100, E=12
2018-10-03	Joss	NF-PM1	B1=1749941, B2=17499410, E=12
2017-06-09	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
2015-09-05	ramgeis	NF	no factor from 2^65 to 2^66
2015-06-27	MadPoo	C-LL	168A0CFD21AC8D53
2015-06-23	mikr	NF-PM1	B1=3642200, B2=123456789, E=12
2015-05-13	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-13	snme2pm1	NF	no factor from 2^63 to 2^64
2015-04-22	Squeeky_Squirrel	NF-PM1	B1=130000, B2=3640000, E=6
2014-09-15	-Anonymous-	NF-PM1	B1=173356
2014-05-06	Joss	NF-PM1	B1=136678
2014-04-08	Joss	NF-PM1	B1=100000
2011-02-10	Carsten Kossendey	NF-PM1	B1=95000, B2=1543750, E=6
2010-11-18	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-24	Architects Cubed	NF	no factor from 2^60 to 2^61

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