Question

the largest number which is the factor of 72 and 120

Answer 1

The largest no which is the factor of 72 and 120 is 12.

Answer 2

To find the largest number which is a factor of both 72 and 120, we have to find out the HCF of 72 and 120.

72 = 2 x 2 x 2 x 3 x 3
120 = 2 x 2 x 2 x 3 x 5

So, we can see that the highest number which can divide both 72 and 120 is 2 x 2 x 2 x 3 or 24.

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