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From: Dennis Lee Bieber <wlfraed@ix.netcom.com>
Subject: Re: find all multiplicands and multipliers for a number
Date: Sat, 11 Apr 2015 12:37:19 -0400
Organization: IISS Elusive Unicorn
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Xref: csiph.com comp.lang.python:88829

On Fri, 10 Apr 2015 23:08:50 -0700, Paul Rubin <no.email@nospam.invalid>
declaimed the following:

>Steven D'Aprano <steve+comp.lang.python@pearwood.info> writes:
>> It may be a bit slow for very large numbers. On my computer, this takes 20
>> seconds:
>> py> pyprimes.factors.factorise(2**111+1)
>> [3, 3, 1777, 3331, 17539, 25781083, 107775231312019L]
>
>This takes about 4 seconds on a Intel(R) Core(TM) i5-3230M CPU @ 2.60GHz
>laptop (64 bit linux):
>
	<snip>

>pythonw -u "junk.py"
[3, 3, 1777, 3331, 17539, 25781083, 107775231312019L]
3.55100011826
>Exit code: 0

Win7Pro-64, i7-3770 @ 3.40GHz; Python 2.7

-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
    wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/