Find the HCF of 1008 and 1080 by prime factorization method.
Prime factors of numbers are -
1008 = 2 × 2 × 2 × 2 × 3 × 3 × 7
1080 = 2 × 2 × 2 × 3 × 3 × 3 × 5
HCF = 2 × 2 × 2 × 3 × 3 = 72