Which number can be written as a product of two numbers in five different ways?

Answer: D. 36

15: 1 × 15, 3 × 5
24: 1 × 24, 2 × 12, 3 × 8, 4 × 6
12: 1 × 12, 2 × 6, 3 × 4
36: 1 × 36, 2 × 18, 3 × 12, 4 × 9, 6 × 6
So the answer is 36.

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