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Asked by Joe

how many pairs of numbers between 1-100 has LCM less or equal to 20?
8 years ago

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Answered by Steve
well, certainly both numbers must not exceed 20.

So, how many pairs x,y with x,y <= 20 fit that?
8 years ago
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how many pairs of numbers between 1-100 has LCM less or equal to 20?

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