3 754 259 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
41968023079268567115719	23	75.2	2021-10-30 00:05:14

ECM

Digits	B1	Curves
25	50000	21 / 280

Estimated T-Level: 20.4 ⓘ

TF below 2^63 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Dax Prather	075CEFE16F1F5E7B	0
Verified (Factored)	1999-08-22	Jörg Thomsen	075CEFE16F1F5E7B	1302931

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-10-31	kutens	A1FF3C23880A4BB9	1	2631106	5	3

History

Date	User	Type	Result
2022-05-25	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-22	Joss	NF-PM1	B1=100000
2022-03-03	Joss	NF-PM1	B1=90000
2021-10-31	ANONYMOUS	CERT	PRP Certification Proof certified good
2021-10-31	kutens	C-PRP	M3754259/41968023079268567115719 : A1FF3C23880A4BB9 PRP proof power = 7 PRP: Verified Proof certified good
2021-10-30	kutens	F-ECM	Factor: 41968023079268567115719 / (ECM curve 2, B1=50000, B2=6700000, Sigma=1259341485922657)
2021-03-24	axn	NF	no factor from 2^69 to 2^70
2020-12-07	axn	NF	no factor from 2^68 to 2^69
2019-02-04	TJAOI	NF	no factor from 2^67 to 2^68
2016-11-07	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-28	ramgeis	NF	no factor from 2^65 to 2^66
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-12-15	mikr	NF-PM1	B1=1600000, B2=66000000, E=12
2015-01-25	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-25	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-03-17	Squeeky_Squirrel	NF-PM1	B1=110000, B2=2035000, E=6
2012-05-10	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-04-27	markr	NF	no factor to 2^62
2009-07-07	Carsten Kossendey	NF-PM1	B1=20000, B2=265000
2009-03-04	S485122	NF	no factor from 2^60 to 2^61

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