2 272 253 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
84900750932617527365857249	26	86.1	2020-03-20 22:46:20

ECM

Digits	B1	Curves
25	50000	51 / 280

Estimated T-Level: 20.9 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Wayne Scott	184AEC329B3C0022	0
Verified (Factored)	1999-02-21	Bruce Mitchell	184AEC329B3C0022	34973
Verified (Factored)	2018-04-26	kkmrkkblmbrbk	184AEC329B3C0022	1067883

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-03-21	Christoph Zenger	3D703053F9883221	1	1944554	5	3
Verified	2020-03-21	Niels_Mache_Nextcloud	3D703053F9883221	1	760802	5	3

History

Date	User	Type	Result
2020-03-21	Niels_Mache_Nextcloud	C-PRP	M2272253/84900750932617527365857249 : 3D703053F9883221 PRP: Verified PRP without proof (not generated)
2020-03-21	Christoph Zenger	C-PRP	M2272253/84900750932617527365857249 : 3D703053F9883221 PRP: Verified PRP without proof (not generated)
2020-03-20	mnd9	F-ECM	Factor: 84900750932617527365857249 / (ECM curve 3, B1=50000, B2=5000000, Sigma=6330933610900570)
2019-10-08	BigBrother	NF-PM1	B1=3000000, B2=90000000, E=12
2019-04-29	TJAOI	NF	no factor from 2^67 to 2^68
2018-04-26	kkmrkkblmbrbk	C-LL	184AEC329B3C0022
2017-01-15	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-04-15	Joss	NF-PM1	B1=373248, B2=13532172, E=12
2016-04-05	Joss	NF-PM1	B1=373248, B2=6718464, E=12
2016-04-02	Joss	NF-PM1	B1=311040
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-10-31	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-10	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-10	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-09-02	Joss	NF-PM1	B1=128247
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2012-05-06	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-02	markr	NF-PM1	B1=100000, B2=2100000, E=6
2010-11-13	Joss	NF-PM1	B1=30000
2010-11-06	Joss	NF-PM1	B1=15000
2009-01-17	Sturle Sunde	NF	no factor from 2^60 to 2^61

Username
Password