As a product of its prime factors: 2*2*5 = 20
9 and 11.
4 and 11.
A factor multiplies with another factor to create a product.
4 and 9
30, 60, and 90.
26
20
-70
20, 40, 60, 80, 100 and so on.
41
-27
-12.385165 and -1.614835
9 and 11.
(6 + √20) ≈ 10.472 and (6 - √20) ≈ 1.528
They are: 20, 40, 60, 80, 100 and 120
-22
20