Question

fid the LCM andHCF of 12 and 18 by prim e factorisation method​

Answer 1

$12 = 2 \times 2 \times 3 \\ 18 = 2 \times 3 \times 3$

$lcm = 2 \times 2 \times 3 \times 3 \\ lcm = 36$

$hcf = 2 \times 3 \\ hcf = 6$

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