Io
The GCF is 3.
Prime factor both numbers and use all the factors that are in both numbers. 30=2x3x5 180=2x2x3x3x5 2x3x5=30 is the gcf
1
It is: 8
It is: 3
154
9
The GCF is 14.
The greatest common factor is 2 !
Thegcf of 35 abd 60 is 5
30
18 + 12 = 30