Question

Find the L.C.M of $3,9,81,27$

Answer 1

Factors of $3=3\times 1$

Factors of $9=3\times 3$

Factors of $81=3\times 3\times 3\times 3$

Factors of $27=3\times 3\times 3$

L.C.M$=3\times 3\times 3\times 3=81$