Question

Using prime factorisation find the HCF and LCM of 396,1080

Answer 1

396 = 2×2×3×3×11

1080 = 2×2×2×3×3×3×5

LCM = highest power of prime factors

= 2×2×2×3×3×3×11×5

= 11880

HCF = lowest common prime factors

= 2×2×3×3

= 36

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Answer 2

HERE IS THE ANSWER MATE.