Question

What is the Hcf and lcm of 400 and 1080,worked solution

Answer 1

Find the prime factorization of 400

400 = 2 × 2 × 2 × 2 × 5 × 5

Find the prime factorization of 1080

1080 = 2 × 2 × 2 × 3 × 3 × 3 × 5

LCM = 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 5

LCM = 10800

HCF =1080