2 385 211 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1180189690472600005040503	25	80.0	2020-12-28 08:44:43

ECM

Digits	B1	Curves
25	50000	108 / 280

Estimated T-Level: 21.9 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Dennis Kluk	94968DFD3F3A5624	0
Verified (Factored)	1999-05-02	Ivan Burns	94968DFD3F3A5624	91817
Verified (Factored)	2018-05-15	kkmrkkblmbrbk	94968DFD3F3A5624	964707

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-12-28	SRJ2877	93BE4CA0E3E7D729	1	1892338	5	3
Verified	2020-12-28	firejuggler	93BE4CA0E3E7D729	1	422045	5	3

History

Date	User	Type	Result
2020-12-28	Franklin Webber	CERT	PRP Certification Proof certified good
2020-12-28	firejuggler	C-PRP	M2385211/1180189690472600005040503 : 93BE4CA0E3E7D729 PRP proof power = 7 PRP: Verified Proof certified good
2020-12-28	Alvin Bunk	CERT	PRP Certification Proof certified good
2020-12-28	SRJ2877	C-PRP	M2385211/1180189690472600005040503 : 93BE4CA0E3E7D729 PRP proof power = 7 PRP: Verified Proof certified good
2020-12-28	daveward2005	F-ECM	Factor: 1180189690472600005040503 / (ECM curve 2, B1=50000, B2=5000000)
2019-03-18	TJAOI	NF	no factor from 2^67 to 2^68
2018-05-15	kkmrkkblmbrbk	C-LL	94968DFD3F3A5624
2017-06-21	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2015-11-01	ramgeis	NF	no factor from 2^65 to 2^66
2015-10-31	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2015-03-09	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-09	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-09-15	-Anonymous-	NF-PM1	B1=126909
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2012-06-01	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2010-12-26	markr	NF-PM1	B1=100000, B2=2075000, E=6
2010-11-15	Joss	NF-PM1	B1=20000
2010-11-08	Joss	NF-PM1	B1=15000
2009-01-15	Sturle Sunde	NF	no factor from 2^60 to 2^61

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