1 668 773 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
444790074440676119137679	24	78.6	2018-06-04 12:15:59

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)		Brian Schmid	45E0D24B43B1EDE3	0
Verified (Factored)	1998-11-28	David Weis	45E0D24B43B1EDE3	565157
Verified (Factored)	2015-06-28	MadPoo	45E0D24B43B1EDE3	531783

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-06-08	_p95holder_	E8E707511789F34E	1	542203	5	3
Verified	2018-06-08	ATH	E8E707511789F34E	1	746768	5	3

History

Date	User	Type	Result
2018-06-08	ATH	C-PRP	M1668773/444790074440676119137679 : E8E707511789F34E PRP: Verified PRP without proof (not generated)
2018-06-08	_p95holder_	C-PRP	M1668773/444790074440676119137679 : E8E707511789F34E PRP: Verified PRP without proof (not generated)
2018-06-04	VictordeHollander	F-ECM	Factor: 444790074440676119137679 / (ECM curve 138, B1=50000, B2=5000000)
2018-05-25	VictordeHollander	NF-PM1	B1=10000000, B2=200000000, E=12
2018-02-21	Joss	NF-PM1	B1=1668773, B2=80000000, E=12
2018-02-04	Joss	NF-PM1	B1=1668773, B2=40000000, E=12
2018-01-24	Joss	NF-PM1	B1=1668773, B2=20000000, E=12
2017-09-29	TJAOI	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^57 to 2^60
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
2015-10-11	ramgeis	NF	no factor from 2^65 to 2^66
2015-06-28	MadPoo	C-LL	45E0D24B43B1EDE3
2015-05-12	monst	NF	no factor from 2^64 to 2^65
2015-05-11	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
2010-08-22	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-30	Architects Cubed	NF	no factor from 2^60 to 2^61

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