Answer:
12 = 2^2 * 3
60 = 2^2 * 3 * 5
18 = 2 * 3^2
33 = 3 * 11
105 = 3 * 5 * 7
125 = 5^3
42 = 2 * 3 * 7
Explanation:
All the factors listed are prime numbers
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