Question

find the LCM and HCF of the integers 18,81 and 108 by expressing there's product of primes​

Answer 1

Step-by-step explanation:

is the required answer.

Answer 2

Step-by-step explanation:

Here,

Prime factorization of 18= 2×3×3

" " " " " " " " " 81= 3×3×3×3

" " " " " " " " " " " " 108= 2×2×3×3×3

Therefore HCF= 3×3=9

and LCM = 3^4×2^2

= 81×4

= 324

Hope it helps