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Start the planThe positive integers \(p\) and \(r\) have exactly three prime factors in common: two 2's and one 3. If \(p\) has exactly one additional prime factor \(x\) and \(r\) has exactly one additional prime factor \(y\) such that \(x \neq y,\) which of the following represents the least common multiple of \(p\) and \(r?\)
(A) \(12xy\)
(B) \(6xy\)
(C) \(xy\)
(D) \(12\)
(E) \(6\)
[spoiler]OA=A[/spoiler]
Source: Manhattan GMAT
(A) \(12xy\)
(B) \(6xy\)
(C) \(xy\)
(D) \(12\)
(E) \(6\)
[spoiler]OA=A[/spoiler]
Source: Manhattan GMAT
