Question

find the LCM of 54 144 and 210 by prime factorization method​

Answer 1

Step-by-step explanation:

Find the prime factorization of 54

54 = 2 × 3 × 3 × 3

Find the prime factorization of 144

144 = 2 × 2 × 2 × 2 × 3 × 3

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

LCM = 2 × 2 × 2 × 2 × 3 × 3 × 3

LCM = 432