Question

PART (A) PART (B) Find the LCM of 210 and 450

Answer 1

The LCM of 210 and 450 is: 3150

Answer 2

Answer:

1. Find the prime factorization of 210

210 = 2 × 3 × 5 × 7

2. Find the prime factorization of 450

450 = 2 × 3 × 3 × 5 × 5

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

 

LCM = 2 × 3 × 3 × 5 × 5 × 7

LCM = 3150