Question

Find the LCM of the $16,8,15$ by prime factorisation method?

Answer 1

Finding LCM of $16,8,15$ by prime factorisation method

Prime number: Prime numbers are natural numbers that are divided by only one and itself.

Example: $2,3,5,7,11,13,17,19$ etc

LCM: Least common multiple, which are exactly divisible by each of the given numbers.

To find prime factors of $16,8,15$ we can use the long division method.

LCM$\left(16,8,15\right)=2\times 2\times 2\times 2\times 5\times 3$.

Therefore, LCM$\left(16,8,15\right)=240$.