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Article #693Re: Smallest number divisable by 1-10 inclusive?
From: Dave Buck
Date: Fri, 19 Jan 1996 00:00
Date: Fri, 19 Jan 1996 00:00
33 lines
1483 bytes
1483 bytes
In article <Pine.SOL.3.91.960118091236.1792A-100000@mail>,
Ronald Kahn <rkahn@mail.bcpl.lib.md.us> wrote:
>A discution about this just took place, also it was on the SAT.
>
Can't you just take the prime factorizations of all the numbers from 1
to 10, and kind of merge them according to the maximum number of
occurrences?
2 = 2
3 = 3
4 = 2*2
5 = 5
6 = 2*3
7 = 7
8 = 2*2*2
9 = 3*3
10 = 2*5
So the number's factors have to include three 2's, two 3's, a 5 and a
7.
2*2*2*3*3*5*7=2520
David Buck
dbuck@ccs.carleton.ca
_____________________________________________________________________
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f7972,c8e3d151000fbf93 X-Google-Attributes: gidf7972,public From: dbuck@superior.carleton.ca (Dave Buck) Subject: Re: Smallest number divisable by 1-10 inclusive? Date: 1996/01/19 Message-ID: <DLEnMz.5x7@cunews.carleton.ca> X-Deja-AN: 135713253 sender: news@cunews.carleton.ca (News Administrator) references: <Pine.SOL.3.91.960118091236.1792A-100000@mail> organization: Carleton University, Ottawa, Canada newsgroups: can.schoolnet.math.sr