Question

find the hcf of 270 and 729.

Answer 1

hope the above picture helps you...

Answer 2

Find the prime factorization of 729

729 = 3 × 3 × 3 × 3 × 3 × 3

Find the prime factorization of 270

270 = 2 × 3 × 3 × 3 × 5

To find the hcf, multiply all the prime factors common to both numbers:

Therefore, HCF = 3 × 3 × 3

HCF = 27