2 054 687 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
8609344319158039722858953	25	82.8	2020-12-13 12:24:08

ECM

Digits	B1	Curves
25	50000	149 / 280

Estimated T-Level: 22.7 ⓘ

TF below 2^70 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Joel Armengaud	BABD3C5DE8737FDE	0
Verified (Factored)		Stephen Wood	BABD3C5DE8737FDE	0
Verified (Factored)	2015-11-13	MadPoo	BABD3C5DE8737FDE	850694

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-12-14	Jayder	6C1837BFDC43BBBC	1	965099	5	3

History

Date	User	Type	Result
2020-12-14	curtisc	CERT	PRP Certification Proof certified good
2020-12-14	Jayder	C-PRP	M2054687/8609344319158039722858953 : 6C1837BFDC43BBBC PRP proof power = 7 PRP: Verified Proof certified good
2020-12-13	Sergey Nosov	F-ECM	Factor: 8609344319158039722858953 / (ECM curve 3, B1=50000, B2=5000000)
2019-03-24	chuenkit	NF	no factor from 2^67 to 2^68
2017-02-25	mikr	NF-PM1	B1=3600000, B2=180000000, E=12
2017-01-30	mikr	NF-PM1	B1=2500000, B2=125000000, E=12
2016-11-06	Joss	NF-PM1	B1=324000
2016-09-22	Joss	NF-PM1	B1=270000, B2=5832000, E=6
2016-08-18	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-05-15	Joss	NF-PM1	B1=270000, B2=4860000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-11-13	MadPoo	C-LL	BABD3C5DE8737FDE
2015-11-03	ramgeis	NF	no factor from 2^65 to 2^66
2015-04-21	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-21	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-26	Joss	NF-PM1	B1=166238
2013-09-01	ramgeis	NF	no factor from 2^62 to 2^63
2012-03-11	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-21	James Heinrich	NF-PM1	B1=135000, B2=2902500, E=6
2011-01-06	Joss	NF-PM1	B1=50000
2010-12-26	Joss	NF-PM1	B1=30000
2009-05-24	Rob_Dee	NF-PM1	B1=20000, B2=280000
2009-01-02	Sturle Sunde	NF	no factor from 2^60 to 2^61

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