Divide by 1,2,3,5,6 and 10.
1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150
15 is a factor of 150, 150 is a multiple of 15.
30 is a factor of 150 so 30 is the greatest common factor of 30 and 150
Itself as 150
The greatest common factor of 100 and 150 is 50.
The greatest common factor of 40 and 150 is 10.
The greatest common factor of 18 and 150 is 6.
The greatest common factor of 140 and 150 is 10.
The greatest common factor of 4 and 150 is 2
The greatest common factor of 147 and 150 is 3.
The greatest common factor of 45 and 150 is 15.
The highest common factor of 120 and 150 is 130
The greatest common factor of 150 and 350 is 50