2 534 267 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1182976720816404259355263	25	80.0	2020-06-28 23:45:12

ECM

Digits	B1	Curves
25	50000	42 / 280

Estimated T-Level: 20.8 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		John Mercer	EB20173E2D0C9B2D	0
Verified (Factored)	1999-03-15	james	EB20173E2D0C9B2D	2170454
Verified (Factored)	2018-06-08	kkmrkkblmbrbk	EB20173E2D0C9B2D	1237095

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-06-29	M Miller	E342299E1F92A1A3	1	1874374	5	3
Verified	2020-09-25	arnaud	E342299E1F92A1A3	1	1452670	5	3

History

Date	User	Type	Result
2021-09-29	Dylan Delgado	NF-PM1	B1=3900000, B2=354900000
2020-09-25	arnaud	C-PRP	M2534267/1182976720816404259355263 : E342299E1F92A1A3 PRP: Verified PRP without proof (not generated)
2020-06-29	M Miller	C-PRP	M2534267/1182976720816404259355263 : E342299E1F92A1A3 PRP: Verified PRP without proof (not generated)
2020-06-28	GAN	F-ECM	Factor: 1182976720816404259355263 / (ECM curve 3, B1=50000, B2=5000000, Sigma=5451866940877979)
2019-06-10	TJAOI	NF	no factor from 2^67 to 2^68
2018-08-06	Joss	NF-PM1	B1=662000, B2=6620000, E=12
2018-07-29	mikr	NF-PM1	B1=3000000, B2=135000000, E=12
2018-06-08	kkmrkkblmbrbk	C-LL	EB20173E2D0C9B2D
2017-08-08	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2015-11-08	ramgeis	NF	no factor from 2^65 to 2^66
2015-02-23	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-23	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2012-06-14	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-03-28	James Heinrich	NF-PM1	B1=300000, B2=8000000, E=12
2011-01-07	Joss	NF-PM1	B1=50000
2011-01-02	Joss	NF-PM1	B1=30000
2010-12-19	Joss	NF-PM1	B1=20000
2009-01-30	Sturle Sunde	NF	no factor from 2^60 to 2^61

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