Question

find the lcm and hcf of 90 and ,108 by prime factorization method​

Answer 1

Answer:

Find the prime factorization of 90

90 = 2 × 3 × 3 × 5

Find the prime factorization of 108

108 = 2 × 2 × 3 × 3 × 3

Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

(i)LCM = 2 × 2 × 3 × 3 × 3 × 5

(ii)LCM = 540

Step-by-step explanation:

hope it helps you;)