Question

What can 12, 16 and 9 divided by ? (By the first 5 common prime factors) 2,3,5,7,12

Answer 1

Answer: None

Explanation:

12 has the factors: 1, 2, 3, 4, 6, 12

16 has the factors: 1, 2, 4, 8, 16

9 has the factors: 1, 3, 9

Therefore, none of them share a common PRIME factor.