6 , 4

Find the common factors for the numerical part:

6,4

The factors for 6 are all numbers between 1 and 6, which divide 6 evenly.

Check numbers between 1 and 6

Find the factor pairs of 6 where x⋅y=6.

xy1623

List the factors for 6.

1,2,3,6

1,2,3,6

The factors for 4 are all numbers between 1 and 4, which divide 4 evenly.

Check numbers between 1 and 4

Find the factor pairs of 4 where x⋅y=4.

xy1422

List the factors for 4.

1,2,4

1,2,4

List all the factors for 6,4 to find the common factors.

6: 1,2,3,6

4: 1,2,4

The common factors for 6,4 are 1,2.

1,2

The GCF (HCF) of the numerical factors 1,2 is 2.

2

Find the GCF 6 , 4