Question

What is the least common multiple of 90 and 54​

Answer 1

270

Explanation:

Find the prime factorization of 54

54 = 2 × 3 × 3 × 3

Find the prime factorization of 90

90 = 2 × 3 × 3 × 5

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

LCM = 2 × 3 × 3 × 3 × 5

LCM = 270