Question

1 Find the HCF of the following number by listing down the common factor.
a) 25,45​

Answer 1

Answer: 5

Step-by-step explanation:

25 = 5×5

45 = 5×3×3

So HCF = 5        (Taking common factors from their prime factorisation)

Answer 2

HCF of 25 =5×5

and 45= 3×3×5