Question

Find LCM: $18$ and $27$.

• A. $44$
• B. $54$
• C. $34$
• D. $24$

Answer 1

The correct option is B $54$

We have to find the L.C.M of $18$ and $27$

Now,

Write the given number in the form of prime factor

$18=2\times 3\times 3$

$27=3\times 3\times 3$

Hence,

$L.C.M=2\times 3\times 3\times 3$

$=54$