Question

A number between 39 and 44. It has prime factors of 2 and 7. What is the number?

Answer 1

42

Explanation:

40=2x5x2x2

41=1x41

42=2x7x3

43=1x43

The number is 42 because if you look at the factors that are used to multiply to get to 42, it has both 2 and 7 as their factors. (hope you understood this...and i'm sorry if its wrong)

Answer 2

Explanation:

I'm pretty sure the answer is 44.