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# Highest Power of a Number in a Factorial

In the video below, we will have a look at the techniques to calculate the Highest Power of a Number in a Factorial. Factorial of a number n is given by $n! = n$ x $(n-1)$ x $(n-2)$ x $(n-3)…2$ x $1$ Given a number x, how do we find the highest power of x in […]

# Least Common Multiple

In this post we explain the basics of Least Common Multiple(LCM). We will understand the techniques on how to find the LCM of two or more numbers. Under the “Problems on LCM” section we will solve some important aptitude problems on LCM. Understanding Least Common Multiple   Problems on LCM