81 and 1
27 and 3
There are 3 pairs in total 1) 1 and 81 2) 3 and 27 3) 9 and 9
8 and 4 16 and 2
Prime numbers have one factor pair. Composite numbers have two or more pairs. (6,8) and (4,12) are two different factor pairs for 48.
Factor pairs are just the factors of a number listed in a different way. The factors of 20 are 1, 2, 4, 5, 10, 20 The factor pairs of 20 are (20,1)(10,2)(5,4)
How they're listed. The factors of 20 are 1, 2, 4, 5, 10, 20 The factor pairs of 20 are (20,1)(10,2)(5,4)
factor a^2-b^2
The factor pairs of 14 are 1*14, and 2*7
The factor pairs of 10 are 1*10, 2*5
The factor pairs are 1 and 8, and 2 and 4
there's many. 32 and 1 16 and 2 8 and 4
These factor pairs, when multiplied together, equal 162: (1, 162) (2, 81) (3, 54) (6, 27) (9, 18)
The factor pairs for 38 are (1, 19) and (2, 38).