3 689 617 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
754332122146734320605876193	27	89.3	2021-07-12 08:14:28

ECM

Digits	B1	Curves
25	50000	16 / 280

Estimated T-Level: 20.3 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-10-11	Lapo Luchini	CC11624ACBF09717	0
Verified (Factored)	1999-09-14	Piotr Pindel	CC11624ACBF09717	1809963

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-07-13	kutens	808FE3B71D6237BF	1	2514625	5	3

History

Date	User	Type	Result
2022-05-24	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-22	Joss	NF-PM1	B1=100000
2022-03-04	Joss	NF-PM1	B1=90000
2021-07-13	LOBES	CERT	PRP Certification Proof certified good
2021-07-13	kutens	C-PRP	M3689617/754332122146734320605876193 : 808FE3B71D6237BF PRP proof power = 7 PRP: Verified Proof certified good
2021-07-12	kutens	F-ECM	Factor: 754332122146734320605876193 / (ECM curve 4, B1=50000, B2=6800000, Sigma=3542491313412595)
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
2018-03-29	Joss	NF-PM1	B1=3689617, B2=7379234, E=6
2018-02-01	kkmrkkblmbrbk	NF-PM1	B1=4000000, B2=80000000, E=12
2018-01-07	Joss	NF-PM1	B1=3689617
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
2009-03-06	S485122	NF	no factor from 2^60 to 2^61

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