As a product of its prime factors: 2*2*3*5 = 60
30, 60, and 90.
4 and 11.
9 and 11.
A factor multiplies with another factor to create a product.
4 and 9
-56
-12 and +5
8.81 and -6.81
8 and -60
60 AND 15
-1540
44
there are 6: 21,28,35,42,49,56
(20) and (negative 3)
-71
20, 40, 60, 80, 100 and so on.
60, 120, 180 and so on.