The factor pairs of 20 are: 20,1 / 10,2 / 5,4
The factor pairs of 28 are :28,114,27,4
1x6, 2x3
its a factor with two pairs of the same number
Factor pairs of 42 are 1 x 42, 2 x 21, 3 x 14, and 6 x 7.
3 and 15
The factor pairs of 135 are: 1, 135 3, 45 5, 27 9, 15
(45,1)(15,3)(9,5)
(45,1)(15,3)(9,5)
(45,1)(15,3)(9,5)
The factor pairs of 45 are: 1 × 45 3 × 15 5 × 9
1 x 45, 3 x 15, 5 x 9
1x40, 2x20, 4x10, 5x8 are all the factor pairs of 40.
(45,1)(15,3)(9,5)
The factor pairs of 20 are: 20,1 / 10,2 / 5,4
1 x 45, 3 x 15, 5 x 9
The factor pairs for 38 are (1, 19) and (2, 38).