0
Anonymous
20, 40, 60, 80, 100 and so on.
Wiki User
26
20
-12.385165 and -1.614835
(6 + √20) ≈ 10.472 and (6 - √20) ≈ 1.528
-22
-70
41
-27
9 and 11.
As a product of its prime factors: 2*2*5 = 20
They are: 20, 40, 60, 80, 100 and 120
84