Question

what is the HCF of 28 and 36 ​

Answer 1

Answer:

Step-by-step explanation:

28 = 2 * 2* 7

    =  $2^{2}$ * 7

36 = 2 * 2 * 3 * 3

    = $2^{2} * 3^{2}$

HCF = $2^{2}$

        =  4

Answer 2

Answer:

HCF of 28 and 36 is 4.  

Step-by-step explanation:

Factors of 28 ->  2,2,7

Factors of 36 -> 2,2,3,3

common factors -> 2,2

2*2= 4