3 507 029 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
123808830164103219107795353	27	86.7	2021-09-16 08:34:50

ECM

Digits	B1	Curves
25	50000	38 / 280

Estimated T-Level: 20.7 ⓘ

TF below 2^64 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Mark Hyre	E4CECF0BE86FB451	0
Verified (Factored)	1999-10-07	David W. Walker	E4CECF0BE86FB451	119428

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-09-19	Luminescence	35F60BC7CE61423E	1	1162359	5	3

P-1 factors

Date	Factor	B1	B2
2021-09-16	123808830164103219107795353	4000000	150000000

History

Date	User	Type	Result
2022-09-09	Joss	NF-PM1	B1=1000000, B2=233218440
2022-04-23	Joss	NF-PM1	B1=1000000, B2=145208700
2021-09-19	Ben Delo	CERT	PRP Certification Proof certified good
2021-09-19	Luminescence	C-PRP	M3507029/123808830164103219107795353 : 35F60BC7CE61423E PRP proof power = 7 PRP: Verified Proof certified good
2021-09-16	mikr	F-PM1	Factor: 123808830164103219107795353 / (P-1, B1=4000000, B2=150000000, E=12)
2021-08-26	ArtyomP	NF-PP1	Start=6/5, B1=50000, B2=2500000
2021-08-26	ArtyomP	NF-PP1	Start=2/7, B1=50000, B2=2500000
2021-03-19	-Anonymous-	NF	no factor from 2^71 to 2^72
2021-03-17	-Anonymous-	NF	no factor from 2^70 to 2^71
2021-03-17	-Anonymous-	NF	no factor from 2^69 to 2^70
2021-01-15	axn	NF	no factor from 2^68 to 2^69
2018-12-10	TJAOI	NF	no factor from 2^67 to 2^68
2017-01-07	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-03-04	ramgeis	NF	no factor from 2^65 to 2^66
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
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
2012-06-20	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-11-08	markr	NF-PM1	B1=235000, B2=5875000, E=12
2011-07-16	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-04	Carsten Kossendey	NF-PM1	B1=20000, B2=240000
2009-02-20	Jayson King	NF	no factor from 2^60 to 2^61

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