Respuesta :

The factors of 18 are:
1, 2, 3, 6, 9, 18

The factors of 30 are:
1, 2, 3, 5, 6, 10, 15, 30

The common factors are:
1, 2, 3, 6
18w and 30wz
The common factor 6w
6w(3+5z)