3 442 163 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
129370969905116417918914223	27	86.7	2021-05-30 07:55:11

ECM

Digits	B1	Curves
25	50000	28 / 280

Estimated T-Level: 20.5 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		John Lloyd	F097F02231CC89ED	0
Verified (Factored)	1999-07-04	Richard Eisenberger	F097F02231CC89ED	196446

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-05-31	mikr	B5E45B5E35FEEC22	1	3396155	5	3
Verified	2021-06-01	kutens	B5E45B5E35FEEC22	1	2324219	5	3

P-1 factors

Date	Factor	B1	B2
2021-05-30	129370969905116417918914223	5000000	200000000

History

Date	User	Type	Result
2022-03-24	Joss	NF-PM1	B1=1000000, B2=123342450
2021-06-01	Gyuri	CERT	PRP Certification Proof certified good
2021-06-01	kutens	C-PRP	M3442163/129370969905116417918914223 : B5E45B5E35FEEC22 PRP proof power = 7 PRP: Verified Proof certified good
2021-05-31	PPed72	CERT	PRP Certification Proof certified good
2021-05-31	mikr	C-PRP	M3442163/129370969905116417918914223 : B5E45B5E35FEEC22 PRP proof power = 7 PRP: Verified Proof certified good
2021-05-30	mikr	F-PM1	Factor: 129370969905116417918914223 / (P-1, B1=5000000, B2=200000000, E=12)
2021-01-03	axn	NF	no factor from 2^68 to 2^69
2018-08-21	Joss	NF-PM1	B1=430000, B2=4300000
2018-08-20	Joss	NF-PM1	B1=430000, B2=3870000
2018-08-06	TJAOI	NF	no factor from 2^67 to 2^68
2017-02-05	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-02-04	Joss	NF-PM1	B1=198720
2017-01-29	Joss	NF-PM1	B1=165600
2017-01-19	Joss	NF-PM1	B1=138000
2017-01-14	Squeeky_Squirrel	NF-PM1	B1=215000, B2=6288750, E=12
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-04-15	Gordon Spence	NF	no factor from 2^65 to 2^66
2015-02-24	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-24	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-08-18	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-08-10	markr	NF	no factor to 2^62
2010-10-12	markr	NF-PM1	B1=115000, B2=2558750, E=6
2009-03-22	S485122	NF	no factor from 2^60 to 2^61

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