42 , 17

Find the common factors for the numerical part:

42,17

The factors for 42 are all numbers between 1 and 42, which divide 42 evenly.

Check numbers between 1 and 42

Find the factor pairs of 42 where x⋅y=42.

xy14222131467

List the factors for 42.

1,2,3,6,7,14,21,42

1,2,3,6,7,14,21,42

The factors for 17 are all numbers between 1 and 17, which divide 17 evenly.

Check numbers between 1 and 17

Find the factor pairs of 17 where x⋅y=17.

xy117

List the factors for 17.

1,17

1,17

List all the factors for 42,17 to find the common factors.

42: 1,2,3,6,7,14,21,42

17: 1,17

The common factors for 42,17 are 1.

1

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

1

Find the GCF 42 , 17