1 649 783 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
8423430207674977145687	22	72.8	2017-12-17 06:22:06

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)		Jason Heilman	990A445251F0FAB1	0
Verified (Factored)	1998-11-14	Gerhard H Wrodnigg	990A445251F0FAB1	1470684
Verified (Factored)	2015-07-01	MadPoo	990A445251F0FAB1	512971

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-12-19	Oliver Kruse	D9A1CFC4C9829742	1	1033802	5	3
Verified	2017-12-19	kkmrkkblmbrbk	D9A1CFC4C9829742	1	128306	5	3

History

Date	User	Type	Result
2017-12-19	kkmrkkblmbrbk	C-PRP	M1649783/8423430207674977145687 : D9A1CFC4C9829742 PRP: Verified PRP without proof (not generated)
2017-12-19	Oliver Kruse	C-PRP	M1649783/8423430207674977145687 : D9A1CFC4C9829742 PRP: Verified PRP without proof (not generated)
2017-12-17	Joss	NF-PM1	B1=2000000, B2=20000000, E=12
2017-12-17	bam	F-ECM	Factor: 8423430207674977145687 / (ECM curve 2, B1=50000, B2=5000000)
2017-10-20	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
2015-10-11	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-01	MadPoo	C-LL	990A445251F0FAB1
2015-05-07	monst	NF	no factor from 2^64 to 2^65
2015-05-07	omylist	NF	no factor from 2^63 to 2^64
2012-03-01	Axon	NF-PM1	B1=1000000, B2=20000000, E=12
2012-03-01	Axon	NF-PM1	B1=1000000, B2=8000000, E=12
2012-02-29	Axon	NF-PM1	B1=1000000
2012-02-29	Axon	NF-PM1	B1=900000
2012-02-29	Axon	NF-PM1	B1=800000
2012-02-29	Axon	NF-PM1	B1=700000
2012-02-29	Axon	NF-PM1	B1=600000
2012-02-29	Axon	NF-PM1	B1=500000
2012-02-29	Axon	NF-PM1	B1=400000
2012-02-29	Axon	NF-PM1	B1=300000
2012-02-29	Axon	NF-PM1	B1=200000
2012-02-29	Axon	NF-PM1	B1=100000
2010-08-03	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-05-01	Architects Cubed	NF	no factor from 2^60 to 2^61

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