Question

What will the had of 18. , 54,108 by prime factorisation

Answer 1

The hcf of 18,54,108 by prime factorisation will be:

18=2×3×3

54=2×3×3×3

108=2×2×3×3×3

So,The hcf of 18,54,108 is=2×3×3=18

The answer is 18