72 , 144 , 168

Find the common factors for the numerical part:

72,144,168

The factors for 72 are all numbers between 1 and 72, which divide 72 evenly.

Check numbers between 1 and 72

Find the factor pairs of 72 where x⋅y=72.

xy17223632441861289

List the factors for 72.

1,2,3,4,6,8,9,12,18,24,36,72

1,2,3,4,6,8,9,12,18,24,36,72

The factors for 144 are all numbers between 1 and 144, which divide 144 evenly.

Check numbers between 1 and 144

Find the factor pairs of 144 where x⋅y=144.

xy11442723484366248189161212

List the factors for 144.

1,2,3,4,6,8,9,12,16,18,24,36,48,72,144

1,2,3,4,6,8,9,12,16,18,24,36,48,72,144

The factors for 168 are all numbers between 1 and 168, which divide 168 evenly.

Check numbers between 1 and 168

Find the factor pairs of 168 where x⋅y=168.

xy11682843564426287248211214

List the factors for 168.

1,2,3,4,6,7,8,12,14,21,24,28,42,56,84,168

1,2,3,4,6,7,8,12,14,21,24,28,42,56,84,168

List all the factors for 72,144,168 to find the common factors.

72: 1,2,3,4,6,8,9,12,18,24,36,72

144: 1,2,3,4,6,8,9,12,16,18,24,36,48,72,144

168: 1,2,3,4,6,7,8,12,14,21,24,28,42,56,84,168

The common factors for 72,144,168 are 1,2,3,4,6,8,12,24.

1,2,3,4,6,8,12,24

The GCF (HCF) of the numerical factors 1,2,3,4,6,8,12,24 is 24.

24

Find the GCF 72 , 144 , 168