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# If x and y are positive integers, what is the value of xy?

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If x and y are positive integers, what is the value of xy? [#permalink]

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11 May 2008, 12:48
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If x and y are positive integers, what is the value of xy?

1- The greatest common factor of x and y is 10
2- The least common factor of x and y is 180

I can't figure out how to figure this one out.. any help please?
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Re: GCF and LCM question - GMATPrep 1 [#permalink]

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11 May 2008, 12:50
jlola21 wrote:
If x and y are positive integers, what is the value of xy?

1- The greatest common factor of x and y is 10
2- The least common factor of x and y is 180

I can't figure out how to figure this one out.. any help please?

Jloa21 ,the answer to this is C .

In general , product of any two integers is product of their LCM and GCF .

so in this case x*y=1800 .
Re: GCF and LCM question - GMATPrep 1   [#permalink] 11 May 2008, 12:50
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