Question

find the hcf of56,72 and 140​

Answer 1

Answer:

4

Step-by-step explanation:

The greatest number that divides 56, 72, 140 is their Highest Common Factor (HCF)

56 = 2 x 2 x 2 x 7

72 = 2 x 2 x 2 x 2 x 3 x 3

140 = 2 x 2 x 5 x 7

HCF = 2 x 2

HCF(56,72,140) = 4

Answer 2

Answer:

HCF=4

Step-by-step explanation:

56=2^3×7

72=2^3×3^2

140=2^2×5×7

HCF=2^2

=4