84 , 112 , 140

Find the common factors for the numerical part:

84,112,140

The factors for 84 are all numbers between 1 and 84, which divide 84 evenly.

Check numbers between 1 and 84

Find the factor pairs of 84 where x⋅y=84.

xy184242328421614712

List the factors for 84.

1,2,3,4,6,7,12,14,21,28,42,84

1,2,3,4,6,7,12,14,21,28,42,84

The factors for 112 are all numbers between 1 and 112, which divide 112 evenly.

Check numbers between 1 and 112

Find the factor pairs of 112 where x⋅y=112.

xy1112256428716814

List the factors for 112.

1,2,4,7,8,14,16,28,56,112

1,2,4,7,8,14,16,28,56,112

The factors for 140 are all numbers between 1 and 140, which divide 140 evenly.

Check numbers between 1 and 140

Find the factor pairs of 140 where x⋅y=140.

xy11402704355287201014

List the factors for 140.

1,2,4,5,7,10,14,20,28,35,70,140

1,2,4,5,7,10,14,20,28,35,70,140

List all the factors for 84,112,140 to find the common factors.

84: 1,2,3,4,6,7,12,14,21,28,42,84

112: 1,2,4,7,8,14,16,28,56,112

140: 1,2,4,5,7,10,14,20,28,35,70,140

The common factors for 84,112,140 are 1,2,4,7,14,28.

1,2,4,7,14,28

The GCF (HCF) of the numerical factors 1,2,4,7,14,28 is 28.

28

Find the HCF 84 , 112 , 140