2 082 503 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
126508758447150154511297	24	76.7	2021-12-24 18:41:39

ECM

Digits	B1	Curves
25	50000	204 / 280

Estimated T-Level: 23.6 ⓘ

TF below 2^74 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Phil Nesser	1541C839F8ED769A	0
Verified (Factored)		Tet Matsuguchi	1541C839F8ED769A	0
Verified (Factored)	1999-01-29	Adam Kehrer	1541C839F8ED769A	414716

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-12-31	/r/counting	1F58CF2AD0E09E13	1	1233102	5	3
Verified	2021-12-31	_p95holder_	1F58CF2AD0E09E13	1	150707	5	3

History

Date	User	Type	Result
2021-12-31	_p95holder_	C-PRP	M2082503/126508758447150154511297 : 1F58CF2AD0E09E13 PRP: Verified PRP without proof (not generated)
2021-12-31	devcat9191	CERT	PRP Certification Proof certified good
2021-12-31	/r/counting	C-PRP	M2082503/126508758447150154511297 : 1F58CF2AD0E09E13 PRP proof power = 7 PRP: Verified Proof certified good
2021-12-24	daveward2005	F-ECM	Factor: 126508758447150154511297 / (ECM curve 5, B1=50000, B2=5000000, Sigma=5981809032752446)
2021-08-26	TJAOI	NF	no factor from 2^68 to 2^69
2019-04-01	chuenkit	NF	no factor from 2^67 to 2^68
2017-05-13	Joss	NF-PM1	B1=390228, B2=3902280, E=6
2017-04-04	mikr	NF-PM1	B1=2500000, B2=125000000, E=12
2016-11-11	Joss	NF-PM1	B1=315190
2016-11-06	Joss	NF-PM1	B1=262659
2016-11-04	Joss	NF-PM1	B1=218883
2016-09-14	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-07-06	Joss	NF-PM1	B1=182403, B2=5872500, E=12
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-11-05	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-31	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-31	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-09-02	ramgeis	NF	no factor from 2^62 to 2^63
2012-03-17	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-24	James Heinrich	NF-PM1	B1=135000, B2=2936250, E=6
2011-01-07	Joss	NF-PM1	B1=50000
2010-12-28	Joss	NF-PM1	B1=30000
2009-07-26	USAFSS	NF-PM1	B1=20000, B2=260000
2009-01-03	Sturle Sunde	NF	no factor from 2^60 to 2^61

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