3 233 651 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
165908699799329601033041	24	77.1	2021-08-12 11:24:06

ECM

Digits	B1	Curves
25	50000	68 / 280

Estimated T-Level: 21.2 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)	1998-05-16	Robert L. Klungle	8461DFAC73A1DDA4	0
Verified (Factored)	1998-06-28	Robert L. Klungle	8461DFAC73A1DDA4	0
Verified (Factored)	1999-06-15	Richard Bullock	8461DFAC73A1DDA4	2673432

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-08-12	/r/counting	C4405B378F02D961	1	143221	5	3

History

Date	User	Type	Result
2022-09-11	Joss	NF-PM1	B1=1000000, B2=241175550
2022-03-12	Joss	NF-PM1	B1=1000000, B2=134343300
2021-08-12	curtisc	CERT	PRP Certification Proof certified good
2021-08-12	/r/counting	C-PRP	M3233651/165908699799329601033041 : C4405B378F02D961 PRP proof power = 7 PRP: Verified Proof certified good
2021-08-12	MarkS	F-ECM	Factor: 165908699799329601033041 / (ECM curve 13, B1=50000, B2=5000000, Sigma=4228228985849494)
2021-02-02	ViliamF	NF	no factor from 2^68 to 2^69
2020-01-19	BigBrother	NF-PM1	B1=3000000, B2=90000000, E=12
2018-11-26	TJAOI	NF	no factor from 2^67 to 2^68
2017-03-25	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-07-09	Joss	NF-PM1	B1=375705, B2=8910000, E=6
2016-01-12	Squeeky_Squirrel	NF-PM1	B1=165000, B2=4455000, E=6
2015-06-24	Tha	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
2014-09-29	Joss	NF-PM1	B1=99698
2014-06-11	Joss	NF-PM1	B1=79849
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-09-21	Grant McCracken	NF	no factor from 2^61 to 2^62
2011-09-08	USAFSS	NF-PM1	B1=60000, B2=1035000, E=6
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=191250
2009-04-04	S485122	NF	no factor from 2^60 to 2^61

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