1 701 019 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
76541980659505629789318001	26	86.0	2019-12-29 09:36:35

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	111 / 640

Estimated T-Level: 25.9 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Joel Armengaud	3647097B3203D83C	0
Verified (Factored)	1999-02-21	eduardo mauro	3647097B3203D83C	206341
Verified (Factored)	2015-07-03	MadPoo	3647097B3203D83C	425888

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-12-29	Christoph Zenger	BD4BC69C55C5CCD0	1	1443347	5	3
Verified	2019-12-29	Niels_Mache_Nextcloud	BD4BC69C55C5CCD0	1	1120924	5	3

History

Date	User	Type	Result
2019-12-29	Niels_Mache_Nextcloud	C-PRP	M1701019/76541980659505629789318001 : BD4BC69C55C5CCD0 PRP: Verified PRP without proof (not generated)
2019-12-29	Christoph Zenger	C-PRP	M1701019/76541980659505629789318001 : BD4BC69C55C5CCD0 PRP: Verified PRP without proof (not generated)
2019-12-29	mnd9	F-ECM	Factor: 76541980659505629789318001 / (ECM curve 5, B1=250000, B2=25000000, Sigma=1250126001323581)
2019-08-06	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 2^61 to 2^62
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-08-30	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-03	MadPoo	C-LL	3647097B3203D83C
2015-02-18	VictordeHollander	NF-PM1	B1=10000000, B2=200000000, E=12
2015-02-16	Joss	NF-PM1	B1=374806
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
2015-02-02	Joss	NF-PM1	B1=309758
2015-01-07	Joss	NF-PM1	B1=281599
2014-10-01	Joss	NF-PM1	B1=187733
2014-05-03	Joss	NF-PM1	B1=150000
2014-03-31	Joss	NF-PM1	B1=100000
2011-02-08	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
2010-04-21	Architects Cubed	NF	no factor from 2^60 to 2^61

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