3 659 501 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1391864457723466465807	22	70.2	2020-12-19 03:53:49

ECM

Digits	B1	Curves
25	50000	22 / 280

Estimated T-Level: 20.4 ⓘ

TF below 2^63 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-09-06	Bjorn Skog	BA6EEDE9F473E8C5	0
Verified (Factored)	1999-09-30	David A. Grey	BA6EEDE9F473E8C5	1768420

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-12-19	Niels_Mache_Nextcloud	56455701A272609A	1	1795720	5	3

History

Date	User	Type	Result
2022-05-25	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-22	Joss	NF-PM1	B1=100000
2022-03-04	Joss	NF-PM1	B1=90000
2020-12-19	curtisc	CERT	PRP Certification Proof certified good
2020-12-19	Niels_Mache_Nextcloud	C-PRP	M3659501/1391864457723466465807 : 56455701A272609A PRP proof power = 7 PRP: Verified Proof certified good
2020-12-19	axn	F-ECM	Factor: 1391864457723466465807 / (ECM curve 6, B1=50000, B2=5000000, Sigma=2477876738627735)
2020-11-21	axn	NF	no factor from 2^69 to 2^70
2020-11-10	axn	NF	no factor from 2^68 to 2^69
2020-09-23	axn	NF-PM1	B1=30000000, B2=600000000, E=12
2019-01-07	TJAOI	NF	no factor from 2^67 to 2^68
2017-03-07	Joss	NF-PM1	B1=241228, B2=2412280, E=6
2017-01-29	Joss	NF-PM1	B1=167520
2016-12-30	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-12-29	Joss	NF-PM1	B1=129600
2016-06-18	Joss	NF-PM1	B1=108000, B2=3285000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-10-21	ramgeis	NF	no factor from 2^65 to 2^66
2015-01-23	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-23	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-06-05	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2012-02-02	Squeeky_Squirrel	NF-PM1	B1=90000, B2=1642500, E=6
2011-05-07	markr	NF	no factor from 2^61 to 2^62
2009-07-08	Carsten Kossendey	NF-PM1	B1=20000, B2=250000
2009-03-09	S485122	NF	no factor from 2^60 to 2^61

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