3 689 809 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

No factors below 2⁷⁰

TF target 2⁶⁴

TF below 2^73 is very unlikely to find new factors due to ECM effort.

P-1

B1 =	3699809
B2 =	10001382300

ECM

Digits	B1	Curves
25	50000	198 / 280

Estimated T-Level: 23.5 ⓘ

Status	Date	User	Residue	Shift
Verified	1998-09-20	Robert Braunwart	82FC05851AE142DE	0
Verified	2000-02-01	Rob Lesan	82FC05851AE142DE	46360

History

Date	User	Type	Result
2022-10-23	Joss	NF-PM1	B1=3699809, B2=10001382300
2022-07-28	Joss	NF-PM1	B1=3699809, B2=3724361550
2022-02-09	Joss	NF-PM1	B1=3699809, B2=135597000
2020-11-21	axn	NF-PM1	B1=30000000, B2=600000000, E=12
2020-10-29	axn	NF	no factor from 2^69 to 2^70
2020-10-29	axn	NF	no factor from 2^68 to 2^69
2018-07-30	TJAOI	NF	no factor from 2^67 to 2^68
2018-06-29	Joss	NF-PM1	B1=3699809, B2=11069427, E=12
2018-03-28	Joss	NF-PM1	B1=3689809, B2=7379618, E=6
2018-01-15	Joss	NF-PM1	B1=3689809, B2=7379618, E=6
2018-01-07	Joss	NF-PM1	B1=3689809
2017-02-08	Joss	NF-PM1	B1=223948, B2=2239480, E=6
2017-02-04	Joss	NF-PM1	B1=186624
2017-01-19	Joss	NF-PM1	B1=155520
2017-01-05	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-12-29	Joss	NF-PM1	B1=129600
2016-12-26	Joss	NF-PM1	B1=108000
2016-07-08	Joss	NF-PM1	B1=90000, B2=3330000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-10-20	ramgeis	NF	no factor from 2^65 to 2^66
2015-01-25	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-25	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-06-05	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2012-03-23	Squeeky_Squirrel	NF-PM1	B1=90000, B2=1665000, E=6
2011-05-20	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-13	Carsten Kossendey	NF-PM1	B1=20000, B2=260000
2009-03-08	S485122	NF	no factor from 2^60 to 2^61

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