252 can be expressed as a product of primes as:\nOptions:\n(A) 2 x 2 x 3 x 3 x 7\n(B) 2 x 2 x 3 x 3 x 8\n(C) 2 x 2 x 3 x 3 x 6\n(D) 2 x 2 x 3 x 3 x 1\n(E) 2 x 2 x 3 x 3 x 2 Hmmm, my stream of consciousness:
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Clearly, 252 = 2 x 2 x 3 x 3 x 7. So, the answer is (A).
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