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# When we're asked to count the # of factors of a certain

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Director
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When we're asked to count the # of factors of a certain [#permalink]

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08 Apr 2007, 06:34
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

When we're asked to count the # of factors of a certain number do we include 1 and the # itself? (ie 9 has 4 factors 3,3,1 and 9)
Director
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08 Apr 2007, 07:13
yes we do.

And for the integer 9, the factors are : 1, 3, 9
The integer 9 has Three factors.
Director
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08 Apr 2007, 08:38
ok. thanks. VERY careless error on my part
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Re: Simple factoring question [#permalink]

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08 Apr 2007, 10:29
ggarr wrote:
When we're asked to count the # of factors of a certain number do we include 1 and the # itself? (ie 9 has 4 factors 3,3,1 and 9)

Factor by definition is any number that divides the original. Since 1 and the number divide itself so they are factors.
Re: Simple factoring question   [#permalink] 08 Apr 2007, 10:29
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# When we're asked to count the # of factors of a certain

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