There are 2 factor pairs of 87:87 = 1 x 8787 = 3 x 29
There are 3 factor pairs of 18:18 = 1 x 1818 = 2 x 918 = 3 x 6
Divide 1, 2, 3, 4 and 6 into 36. The answers are the other halves of the factor pairs.
The factor pairs of 18 are (1 x 18), (2 x 9), (3 x 6)
20 has 3 factor pairs. Pairs are (1,20), (2,10) and (9,9)
(1, 9) (3, 3)
There are 2 factor pairs of 87:87 = 1 x 8787 = 3 x 29
1 & 6, 2 & 3.
There are 3 factor pairs of 18:18 = 1 x 1818 = 2 x 918 = 3 x 6
There are 3 pairs in total 1) 1 and 81 2) 3 and 27 3) 9 and 9
Divide 1, 2, 3, 4 and 6 into 36. The answers are the other halves of the factor pairs.
1 and 6 2 and 3
The factor pairs of 18 are (1 x 18), (2 x 9), (3 x 6)
18 has three factor pairs:18 = 1 x 1818 = 2 x 918 = 3 x 6
There are 3 factor pairs of 20: 1 x 20, 2 x 10 and 4 x 5.
There are 3 factor pairs of 20:20 = 1 x 2020 = 2 x 1020 = 4 x 5
The factor pairs of 12 are (1 x 12), (2 x 6), (3 x 4)