Question

find the H.C.F of 2 x $3^{2}$ x 5 and $2^{2}$ x $3^{3}$ x 7 x 13

Answer 1

$= > 2 \times {3}^{2} \times 5 \\ = {2}^{2} \times {3}^{3} \times 7 \times 13 \\ = > 2 \times 3 \times 3 \times 5 \\ = 2 \times 2 \times 3 \times 3 \times 3 \times 7 \times 13 \\ = > 2 \times 3 \times 3 = 18$