Question

find the lcm and hcf of the integers 18,81and108 by expressing there's product of primes​

Answer 1

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Step-by-step explanation:

ANSWER ::

18 = 2× 3 × 3

81 = 3 × 3 × 3 × 3

108 = 2 × 3 × 3 × 3

So

LCM = 2 × 3 × 3 × 3 × 3 = 162

HCF = 3 × 3 = 9