1 757 417 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
494346120150025910591425001	27	88.7	2020-04-27 08:24:02

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	108 / 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	73CB2958001E2D5B	0
Verified (Factored)	1998-12-06	Andreas Meyer	73CB2958001E2D5B	551641
Verified (Factored)	2015-07-01	MadPoo	73CB2958001E2D5B	586935

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-04-27	atrench	576B8BB5DD21701F	1	836834	5	3
Verified	2020-04-28	xyuzyz	576B8BB5DD21701F	1	1237187	5	3

History

Date	User	Type	Result
2020-04-28	xyuzyz	C-PRP	M1757417/494346120150025910591425001 : 576B8BB5DD21701F PRP: Verified PRP without proof (not generated)
2020-04-27	atrench	C-PRP	M1757417/494346120150025910591425001 : 576B8BB5DD21701F PRP: Verified PRP without proof (not generated)
2020-04-27	mnd9	F-ECM	Factor: 494346120150025910591425001 / (ECM curve 1, B1=50000, B2=5000000, Sigma=89414726719368)
2019-06-17	TJAOI	NF	no factor from 2^67 to 2^68
2018-10-19	Joss	NF-PM1	B1=1757417, B2=193315870, E=12
2018-08-13	Joss	NF-PM1	B1=1757417, B2=175741700, E=12
2018-05-21	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
2015-09-06	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-01	MadPoo	C-LL	73CB2958001E2D5B
2015-05-14	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-14	snme2pm1	NF	no factor from 2^63 to 2^64
2015-04-27	mikr	NF-PM1	B1=2475400, B2=86660000, E=12
2014-09-17	-Anonymous-	NF-PM1	B1=173044
2014-05-09	Joss	NF-PM1	B1=136522
2014-04-08	Joss	NF-PM1	B1=100000
2011-02-07	Carsten Kossendey	NF-PM1	B1=95000, B2=1567500, E=6
2011-01-21	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-23	Architects Cubed	NF	no factor from 2^60 to 2^61

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