Question

what is the hcf of 72 , 90, 126​

Answer 1

Answer:

3

Step-by-step explanation:

Answer 2

Answer:

The HCF of 72 , 90, 126 is 18.

To find:  

The hcf of 72 , 90, 126

Solution:

HCF is the highest common factor.

72 = 2 $\times$ 2 $\times$2 $\times$ 3 $\times$ 3

90 = 2 $\times$ 3 $\times$ 3 $\times$ 5  

126 = 2 $\times$ 3 $\times$ 3 $\times$ 7

The common factors of 72 , 90, 126 = 2 $\times$ 3 $\times$ 3 = 18

Result:

HCF of 72 , 90, 126 is 18.