70 , 15

Find the common factors for the numerical part:

70,15

The factors for 70 are all numbers between 1 and 70, which divide 70 evenly.

Check numbers between 1 and 70

Find the factor pairs of 70 where x⋅y=70.

xy170235514710

List the factors for 70.

1,2,5,7,10,14,35,70

1,2,5,7,10,14,35,70

The factors for 15 are all numbers between 1 and 15, which divide 15 evenly.

Check numbers between 1 and 15

Find the factor pairs of 15 where x⋅y=15.

xy11535

List the factors for 15.

1,3,5,15

1,3,5,15

List all the factors for 70,15 to find the common factors.

70: 1,2,5,7,10,14,35,70

15: 1,3,5,15

The common factors for 70,15 are 1,5.

1,5

The GCF (HCF) of the numerical factors 1,5 is 5.

5

Find the GCF 70 , 15