2 270 117 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
93722581640120475303610177	26	86.3	2020-07-06 01:51:19

ECM

Digits	B1	Curves
25	50000	78 / 280

Estimated T-Level: 21.4 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Bruce Valk	621C8816B3CE2BD3	0
Verified (Factored)	1999-12-08	David Campeau	621C8816B3CE2BD3	233767
Verified (Factored)	2018-04-25	kkmrkkblmbrbk	621C8816B3CE2BD3	1271906

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-07-06	M Miller	59F0804BB3EB0E8D	1	495294	5	3
Verified	2020-07-08	nordi	59F0804BB3EB0E8D	1	979480	5	3

History

Date	User	Type	Result
2020-07-08	nordi	C-PRP	M2270117/93722581640120475303610177 : 59F0804BB3EB0E8D PRP: Verified PRP without proof (not generated)
2020-07-06	M Miller	C-PRP	M2270117/93722581640120475303610177 : 59F0804BB3EB0E8D PRP: Verified PRP without proof (not generated)
2020-07-06	GAN	F-ECM	Factor: 93722581640120475303610177 / (ECM curve 3, B1=50000, B2=5000000, Sigma=3199858200456549)
2019-11-19	BigBrother	NF-PM1	B1=3000000, B2=90000000, E=12
2019-04-29	TJAOI	NF	no factor from 2^67 to 2^68
2018-04-25	kkmrkkblmbrbk	C-LL	621C8816B3CE2BD3
2017-09-05	Joss	NF-PM1	B1=432000, B2=4320000, E=6
2017-01-15	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-08-01	Joss	NF-PM1	B1=216000, B2=4320000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-01-04	Joss	NF-PM1	B1=216000, B2=2160000, E=6
2015-10-31	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-10	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-10	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-09-02	Joss	NF-PM1	B1=128274
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2012-05-06	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-02	markr	NF-PM1	B1=100000, B2=2100000, E=6
2010-11-12	Joss	NF-PM1	B1=30000
2010-11-06	Joss	NF-PM1	B1=15000
2009-01-14	Sturle Sunde	NF	no factor from 2^60 to 2^61

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