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.
Composite numbers have factors that can be listed in pairs. The factor pairs for 720 are (720,1)(360,2)(240,3)(180,4)(144,5)(120,6)(90,8)(80,9)(72,10)(60,12)(48,15)(45,16)(40,18)(36,20)(30,24)
The question does not make any sense at all because72 is not an odd number72 is not the largest factor of 720
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