Question

What is the hcf of 72 and243

Answer 1

72 = 2×2×2×3×3

243= 2×3×3×3×3

= 18

Answer 2

Answer:

Step-by-step explanation:

72=3*24=3*3*8=3*3*2*2*2

243=3*3*3*3*3

HCF is 3*3=9