3 401 329 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
869589521126046973568153	24	79.5	2021-11-11 15:01:43

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)	1998-06-07	Tony Graziano	9ADA2F83275C4273	0
Verified (Factored)	1999-07-12	Attila,Roszjár	9ADA2F83275C4273	1339062

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-11-14	SRJ2877	0BBB9FC5F208B503	1	680916	5	3
Verified	2021-11-19	LordJulius	0BBB9FC5F208B503	1	1180484	5	3

History

Date	User	Type	Result
2022-09-10	Joss	NF-PM1	B1=1000000, B2=228253410
2022-04-08	Joss	NF-PM1	B1=1000000, B2=145126800
2021-11-20	NicholasBochenek	CERT	PRP Certification Proof certified good
2021-11-19	LordJulius	C-PRP	M3401329/869589521126046973568153 : 0BBB9FC5F208B503 PRP proof power = 7 PRP: Verified Proof certified good
2021-11-14	dale	CERT	PRP Certification Proof certified good
2021-11-14	SRJ2877	C-PRP	M3401329/869589521126046973568153 : 0BBB9FC5F208B503 PRP proof power = 7 PRP: Verified Proof certified good
2021-11-11	daveward2005	F-ECM	Factor: 869589521126046973568153 / (ECM curve 6, B1=50000, B2=5000000, Sigma=28739597563846)
2021-09-09	MadPoo	NF	no factor from 2^69 to 2^70
2021-03-28	axn	NF-PM1	B1=15000000, B2=750000000
2020-12-25	axn	NF	no factor from 2^68 to 2^69
2020-02-02	BigBrother	NF-PM1	B1=3000000, B2=90000000, E=12
2019-02-18	TJAOI	NF	no factor from 2^67 to 2^68
2017-01-25	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
2015-04-05	Gordon Spence	NF	no factor from 2^65 to 2^66
2015-01-30	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-30	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-08-18	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-10-25	markr	NF-PM1	B1=225000, B2=5737500, E=12
2011-08-10	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=206250
2009-03-25	S485122	NF	no factor from 2^60 to 2^61

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