3 652 387 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
21074677173227664353323343	26	84.1	2021-09-02 15:53:38

ECM

Digits	B1	Curves
25	50000	24 / 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)		Thomas Honold	E9A93830C15CCC59	0
Verified (Factored)	1999-08-16	Tim Beight	E9A93830C15CCC59	2096387

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-09-08	Oliver Kruse	58B2E9AB0B30D9B7	1	3508512	5	3

History

Date	User	Type	Result
2022-09-30	Joss	NF-PM1	B1=1000000, B2=130364850
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
2021-09-08	curtisc	CERT	PRP Certification Proof certified good
2021-09-08	Oliver Kruse	C-PRP	M3652387/21074677173227664353323343 : 58B2E9AB0B30D9B7 PRP proof power = 7 PRP: Verified Proof certified good
2021-09-02	daveward2005	F-ECM	Factor: 21074677173227664353323343 / (ECM curve 2, B1=50000, B2=5000000, Sigma=8451174373861492)
2020-11-18	axn	NF	no factor from 2^69 to 2^70
2020-11-08	axn	NF	no factor from 2^68 to 2^69
2020-09-08	axn	NF-PM1	B1=30000000, B2=600000000, E=12
2019-02-11	TJAOI	NF	no factor from 2^67 to 2^68
2017-03-07	Joss	NF-PM1	B1=241228, B2=2412280, E=6
2017-03-06	Squeeky_Squirrel	NF-PM1	B1=230000, B2=6785000, E=12
2017-01-29	Joss	NF-PM1	B1=167520
2016-12-29	Joss	NF-PM1	B1=129600
2016-12-28	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-06-12	Joss	NF-PM1	B1=108000, B2=3285000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-10-20	ramgeis	NF	no factor from 2^65 to 2^66
2015-01-22	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-22	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-06-05	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2012-01-30	Squeeky_Squirrel	NF-PM1	B1=90000, B2=1642500, E=6
2011-05-15	markr	NF	no factor from 2^61 to 2^62
2009-07-07	Carsten Kossendey	NF-PM1	B1=20000, B2=250000
2009-03-10	S485122	NF	no factor from 2^60 to 2^61

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