Question

Calculate the HCF and LCM of 72, 108, 132 by prime factorisation
method.

Answer 1

Step-by-step explanation:

Applying prime factorisation method, we get

72=2×2×2×3×3

108=2×2×3×3×3

L.C.M is 216 (72×3)(108×2)

H.C.F is 2×2×3×3=36

Answer 2

Answer:

LCM:2376. HCF:12

Step-by-step explanation:

72= 2×2×3×3×2

108=2×2×3×3×3

132=3×2×2×11