What is the smallest integer, larger than 1, which is both a perfect square, and a perfect cube.
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What is the smallest integer with prime factorization pq, where p and q are distinct prime numbers?
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What are the next three smallest integers with prime factorization pq with p and q distinct?
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What is the smallest integer with prime factorization pqr, where p, q, and r are distinct prime numbers?
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