Question

Find LCM: $30$ and $45$.

Answer 1

Factorization of the following.

$30=1\times 2\times 3\times 5$

$45=1\times 3\times 3\times 5$

Since, The common factor is $1,2,3,5$.This implies that,

then,

$LCM=1\times 3\times 3\times 5\times 2$

$LCM=90$