Question

find the LCM and HCF of 12, 20 and 32 by using prime factorisation method ​

Answer 1

Heres is the step by step explanation

Answer 2

Answer:

LCM = 2 x 2 x 2 x 2 x 2 x 3 x 5

Answer. 480

HCF = 2 x 2 x 3 of 12

= 2 x 2 x 5 of 20

= 2 x 2 x 2 x 2 x 2 of 32

Only 2 is common in all. So , we will make pairs of two. There all two pairs of 2.

Answer. 2 x 2 = 4