Mixing and Rearranging Factors

What is the missing number?

1. 42 = 6 x 7 = ? x 14

2. 52 = 2 x 26 = 4 x ?

3. 84 = 7 x 12 = 21 x ?

4. 48 = 8 x 6 = 16 x ?

5. 72 = 8 x 9 = ? x 18

Answers