3 375 613 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
108666674417888536711367	24	76.5	2021-10-19 23:42:25

ECM

Digits	B1	Curves
25	50000	56 / 280

Estimated T-Level: 21.0 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Stephen Platt	48521E2DAE594E68	0
Verified (Factored)	1999-07-04	Jose Bacasnot	48521E2DAE594E68	2948262

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-10-23	MarkS	78CFB553C18A191E	1	3174174	5	3

History

Date	User	Type	Result
2022-04-10	Joss	NF-PM1	B1=1000000, B2=124024362
2022-04-09	Joss	NF-PM1	B1=1000000
2022-02-25	Joss	NF-PM1	B1=200000
2021-10-23	ANONYMOUS	CERT	PRP Certification Proof certified good
2021-10-23	MarkS	C-PRP	M3375613/108666674417888536711367 : 78CFB553C18A191E PRP proof power = 7 PRP: Verified Proof certified good
2021-10-19	MarkS	F-ECM	Factor: 108666674417888536711367 / (ECM curve 6, B1=50000, B2=5000000, Sigma=3698918534239593)
2021-08-24	MadPoo	NF	no factor from 2^69 to 2^70
2021-08-02	TJAOI	NF	no factor from 2^68 to 2^69
2021-03-13	mikr	NF-PM1	B1=4000000, B2=150000000, E=12
2018-10-29	TJAOI	NF	no factor from 2^67 to 2^68
2017-04-12	Joss	NF-PM1	B1=330000, B2=3300000, E=6
2017-03-08	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-08-07	Squeeky_Squirrel	NF-PM1	B1=165000, B2=4331250, E=6
2015-03-31	Gordon Spence	NF	no factor from 2^65 to 2^66
2015-02-15	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-15	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-12	Joss	NF-PM1	B1=98028
2014-06-24	Joss	NF-PM1	B1=79014
2012-11-15	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-10-18	USAFSS	NF-PM1	B1=60000, B2=930000, E=6
2011-08-15	markr	NF	no factor from 2^61 to 2^62
2009-07-09	Carsten Kossendey	NF-PM1	B1=15000, B2=206250
2009-03-27	S485122	NF	no factor from 2^60 to 2^61

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