Answer:
1, 3, 13, 39
(1x39) (3x13) (13x3) (39x1)
Explanation:
These numbers are pair factors of 39 as far as I know.
(1 x 39) (3 x 13) (13 x 3) (39 x 1)
those are all the factors
5.3m questions
6.9m answers