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.
1x40, 2x20, 4x10, 5x8 are all the factor pairs of 40.
The factor pairs of 20 are: 20,1 / 10,2 / 5,4
The factor pairs for 38 are (1, 19) and (2, 38).
The factor pairs of 26 are: 1 × 26 2 × 13
53,1
1,3,149,447
164,182,241,4
1,81,3,27,9
They are:165,155,333,515,11
51,117,3
108,154,236,327,418,612,9
140,170,235,428,520,714,10