3 252 311 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
2329393423147626618196237428357394956871	40	130.8	2023-04-30 12:04:22

ECM

Digits	B1	Curves
25	50000	102 / 280

Estimated T-Level: 21.8 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1999-01-02	Olli Heikkilä	9FEA9FCA62134EF9	0
Verified (Factored)	1999-11-24	Sam Robertson	9FEA9FCA62134EF9	2374443

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2023-04-30	Naegi Makoto	D01869CFC43694A9	1	939915	5	3

P-1 factors

Date	Factor	B1	B2
2023-04-30	2329393423147626618196237428357394956871	8600000	22046060400

History

Date	User	Type	Result
2023-04-30	Perig	CERT	PRP Certification Proof certified good
2023-04-30	Naegi Makoto	C-PRP	M3252311/2329393423147626618196237428357394956871 : D01869CFC43694A9 PRP proof power = 7 PRP: Verified Proof certified good
2023-04-30	Sid & Andy	F-PM1	Factor: 2329393423147626618196237428357394956871 / (P-1, B1=8600000, B2=22046060400)
2022-01-05	TJAOI	NF	no factor from 2^69 to 2^70
2021-02-04	ViliamF	NF	no factor from 2^68 to 2^69
2020-07-27	mikr	NF-PM1	B1=4000000, B2=150000000, E=12
2019-01-14	TJAOI	NF	no factor from 2^67 to 2^68
2017-03-29	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-07-12	Joss	NF-PM1	B1=381150, B2=9010000, E=6
2016-01-14	Squeeky_Squirrel	NF-PM1	B1=170000, B2=4505000, E=6
2015-06-28	Tha	NF	no factor from 2^65 to 2^66
2015-02-18	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-18	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-07	Joss	NF-PM1	B1=99470
2014-06-11	Joss	NF-PM1	B1=79735
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-09-21	markr	NF	no factor to 2^62
2011-09-11	USAFSS	NF-PM1	B1=60000, B2=1050000, E=6
2009-07-04	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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