1 704 181 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 =	280483863660

ECM

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

Estimated T-Level: 25.8 ⓘ

Status	Date	User	Residue	Shift
Verified		David Linton	94D30E30F137C3B6	0
Verified	1998-12-27	The Prime Hunters	94D30E30F137C3B6	905303
Verified	2015-07-06	MadPoo	94D30E30F137C3B6	1599276

History

Date	User	Type	Result
2023-06-11	linament	NF-PM1	B1=17000000, B2=280483863660
2023-06-10	linament	NF-PM1	B1=17000000
2023-03-13	Joss	NF-PM1	B1=10000000, B2=3535355460
2023-01-03	Joss	NF-PM1	B1=10000000, B2=1277286780
2021-05-04	Carlos Pinho	NF-PP1	Start=2/7, B1=1000000, B2=51000000
2019-07-24	TJAOI	NF	no factor from 2^67 to 2^68
2018-06-18	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 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2015-08-30	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-06	MadPoo	C-LL	94D30E30F137C3B6
2015-02-18	VictordeHollander	NF-PM1	B1=10000000, B2=200000000, E=12
2015-02-13	Joss	NF-PM1	B1=374667
2015-02-13	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-13	VictordeHollander	NF	no factor from 2^63 to 2^64
2015-01-07	Joss	NF-PM1	B1=281494
2014-10-03	Joss	NF-PM1	B1=187663
2014-04-27	-Anonymous-	NF-PM1	B1=150000
2014-03-31	Joss	NF-PM1	B1=100000
2011-02-07	Carsten Kossendey	NF-PM1	B1=90000, B2=1507500, E=6
2011-01-27	Joss	NF-PM1	B1=50000
2010-10-04	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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