The factor pairs of 57 are 3x19 and 1x57
57,1 19,3
(57,1)(19,3)
(57,1)(19,3)
1 x 57 and 3 x 19.
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