Answer:
6
Explanation:
18 = 1, 2, 3, 6 , 9, 18
30 = 1, 2 , 3 , 5, 6, 10, 15, 30
48 = 1, 2, 3, 4, 6, 8, 12, 16, 24, 48
9.5m questions
12.2m answers