Q) Using prime factorisation, find HCF and LCM of 96 and 120.
Ans:
By prime factorisation, we get:
96 = 25 x 3
and 120 = 23 x 3 x 5
∴ LCM = 25 x 3 x 5 = 480
And HCF = 23 x3 = 24
Therefore, LCM of given numbers is 480 and HCF is 24.
Q) Using prime factorisation, find HCF and LCM of 96 and 120.
Ans:
By prime factorisation, we get:
96 = 25 x 3
and 120 = 23 x 3 x 5
∴ LCM = 25 x 3 x 5 = 480
And HCF = 23 x3 = 24
Therefore, LCM of given numbers is 480 and HCF is 24.