0
Wiki User
20, 40, 60, 80, 100 and so on.
26
20
-12.385165 and -1.614835
24
(6 + √20) ≈ 10.472 and (6 - √20) ≈ 1.528
580
-70
41
9 and 11.
2 and 10
As a product of its prime factors: 2*2*5 = 20
They are: 20, 40, 60, 80, 100 and 120