2 269 829 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
205351173713267535245574433	27	87.4	2020-11-20 23:00:14

ECM

Digits	B1	Curves
25	50000	120 / 280

Estimated T-Level: 22.1 ⓘ

TF below 2^69 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Chris Frederick	FA1CD414E634638F	0
Verified (Factored)	1999-02-14	Kaara	FA1CD414E634638F	1086515
Verified (Factored)	2018-04-25	kkmrkkblmbrbk	FA1CD414E634638F	559888

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-11-21	mrh	CDA56F0E1A74E17B	1	1972053	5	3
Verified	2020-11-21	kutens	CDA56F0E1A74E17B	1	2161852	5	3

History

Date	User	Type	Result
2020-11-21	MannImMond	CERT	PRP Certification Proof certified good
2020-11-21	kutens	C-PRP	M2269829/205351173713267535245574433 : CDA56F0E1A74E17B PRP proof power = 7 PRP: Verified Proof certified good
2020-11-21	mrh	C-PRP	M2269829/205351173713267535245574433 : CDA56F0E1A74E17B PRP: Verified PRP without proof (not generated)
2020-11-20	mnd9	F-ECM	Factor: 205351173713267535245574433 / (ECM curve 6, B1=50000, B2=5000000, Sigma=5122000169085107)
2019-11-21	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	FA1CD414E634638F
2017-01-15	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-04-12	Joss	NF-PM1	B1=447897, B2=16244277, E=12
2016-04-02	Joss	NF-PM1	B1=373248, B2=3732480, E=6
2016-04-02	Joss	NF-PM1	B1=311040
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
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=128277
2013-12-06	Jerry Hallett	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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