80 has 5 factor pairs.
1 and 85 5 and 17
1 and 10, 2 and 5
1 and 5
The factor pairs of 26 are: 1 × 26 2 × 13
(1, 25) (5, 5)
Just one: 1 x 5
1 x 5, 5 x 1
The factor pairs of 20 are pairs of numbers that can be multiplied together to give 20. The factor pairs of 20 are (1, 20), (2, 10), and (4, 5). These pairs represent all the possible combinations of numbers that can be multiplied to equal 20.
80 has 5 factor pairs.
1 and 85 5 and 17
1 and 10, 2 and 5
The factor pairs of 215 are 1, 5, 43, and 215
1 x 25 5 x 5
The factor pairs of 10 are 1*10, 2*5
1 and 5
1 and 5