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The least common multiple of positive integers p and q is 72. What is the greatest common factor of p and q?

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by AAPL » Thu Dec 31, 2020 10:44 am

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The least common multiple of positive integers p and q is 72. What is the greatest common factor of p and q?

1) pq is a perfect square
2) pq is a perfect fourth power

OA B
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Source: — Data Sufficiency |