(72,1)(36,2)(24,3)(18,4)(12,6)(9,8)
(1, 72) (2, 36) (3, 24) (4, 18) (6, 12) (8, 9)
Since 18 is a factor of 72, all of its factors are common.
These factor pairs: (1, 72) (2, 36) (3, 24) (4, 18) (6, 12) (8, 9)
Since 36 is a factor of 72, all of its factors are included in the factors of 72.
The factor pairs of 72 are: 1,72 and 2,36 and 3,24 and 4,18 and 6,12 and 8,9.
60, 72, 84, 90 and 96 have 6 factor pairs.
(72,1)(36,2)(24,3)(18,4)(12,6)(9,8)
The factor pairs of 72 are (72,1), (36,2), (24,3), (18,4), (12,6), and (9,8).
1x40, 2x20, 4x10, 5x8 are all the factor pairs of 40.
The factor pairs of 20 are: 20,1 / 10,2 / 5,4
(72,1)(36,2)(24,3)(18,4)(12,6)(9,8)
(1, 72) (2, 36) (3, 24) (4, 18) (6, 12) (8, 9)
The factor pairs for 38 are (1, 19) and (2, 38).
The factor pairs of 26 are: 1 × 26 2 × 13
Since 24 is a factor of 72, all of its factors are common.
Since 18 is a factor of 72, all of its factors are common.