3 297 367 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
2108901895594774008697	22	70.8	2021-06-27 17:54:50

ECM

Digits	B1	Curves
25	50000	50 / 280

Estimated T-Level: 20.9 ⓘ

TF below 2^64 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-09-06	Colin Smart	5159ED14D6A4713A	0
Verified (Factored)	1999-08-22	Chris Phipps	5159ED14D6A4713A	226510

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-06-28	kutens	C4F2A1AA17B615DD	1	670206	5	3

History

Date	User	Type	Result
2022-09-03	Joss	NF-PM1	B1=1213856, B2=226749600
2022-01-24	Joss	NF-PM1	B1=1213856, B2=119912100
2021-06-28	Ben Delo	CERT	PRP Certification Proof certified good
2021-06-28	kutens	C-PRP	M3297367/2108901895594774008697 : C4F2A1AA17B615DD PRP proof power = 7 PRP: Verified Proof certified good
2021-06-27	daveward2005	F-ECM	Factor: 2108901895594774008697 / (ECM curve 7, B1=50000, B2=5000000, Sigma=3449460716091746)
2020-02-13	BigBrother	NF-PM1	B1=3000000, B2=90000000, E=12
2018-11-05	TJAOI	NF	no factor from 2^67 to 2^68
2018-01-08	Joss	NF-PM1	B1=476928
2017-04-08	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-02-25	Joss	NF-PM1	B1=238464, B2=2384640, E=6
2017-02-04	Joss	NF-PM1	B1=198720
2017-01-29	Joss	NF-PM1	B1=165600
2017-01-19	Joss	NF-PM1	B1=138000
2015-07-02	Tha	NF	no factor from 2^65 to 2^66
2013-10-25	David Campeau	NF	no factor from 2^64 to 2^65
2013-09-11	Squeeky_Squirrel	NF-PM1	B1=115000, B2=2673750, E=6
2012-12-17	lycorn	NF	no factor from 2^62 to 2^64
2011-10-06	Grant McCracken	NF	no factor from 2^61 to 2^62
2011-09-27	USAFSS	NF-PM1	B1=60000, B2=1065000, E=6
2009-07-10	Carsten Kossendey	NF-PM1	B1=15000, B2=191250
2009-03-31	S485122	NF	no factor from 2^60 to 2^61

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