2 184 187 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
2067952092892763299955951	25	80.8	2020-07-13 09:40:59

ECM

Digits	B1	Curves
25	50000	92 / 280

Estimated T-Level: 21.6 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Paul Kwiatkowski	C746A3E278DBE0FF	0
Verified (Factored)	1999-02-14	Ron Lavallee	C746A3E278DBE0FF	2098825
Verified (Factored)	2018-04-14	kkmrkkblmbrbk	C746A3E278DBE0FF	976345

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-07-13	M Miller	4BA1A3E2F99B24B1	1	853295	5	3
Verified	2020-07-13	oodaira	4BA1A3E2F99B24B1	1	4097	5	3

History

Date	User	Type	Result
2020-07-13	oodaira	C-PRP	M2184187/2067952092892763299955951 : 4BA1A3E2F99B24B1 PRP: Verified PRP without proof (not generated)
2020-07-13	M Miller	C-PRP	M2184187/2067952092892763299955951 : 4BA1A3E2F99B24B1 PRP: Verified PRP without proof (not generated)
2020-07-13	GAN	F-ECM	Factor: 2067952092892763299955951 / (ECM curve 2, B1=50000, B2=5000000, Sigma=7961584972852421)
2019-04-15	TJAOI	NF	no factor from 2^67 to 2^68
2018-04-14	kkmrkkblmbrbk	C-LL	C746A3E278DBE0FF
2018-02-03	mikr	NF-PM1	B1=2500000, B2=125000000, E=12
2016-11-24	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-05	Joss	NF-PM1	B1=443043, B2=4430430, E=6
2016-01-02	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-25	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-25	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-10	Joss	NF-PM1	B1=148772
2014-06-26	-Anonymous-	NF-PM1	B1=119386
2013-09-15	BloodIce	NF	no factor from 2^62 to 2^63
2011-01-13	markr	NF-PM1	B1=90000, B2=1620000, E=6
2010-11-08	Joss	NF-PM1	B1=30000
2010-11-06	-Anonymous-	NF-PM1	B1=15000
2009-01-08	Sturle Sunde	NF	no factor from 2^61 to 2^62
2009-01-02	Sturle Sunde	NF	no factor from 2^60 to 2^61

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