Take a number. $n=100,000$ suppose.

To get the count of numbers less than $n$ which are coprime to $2,3,5,7,11,13$, we can use Principle of Exclusion-Inclusion.

In that case, we will consider terms ...

Similar to PIE but works quite exact in this case, why?

Take a number. $n=100,000$ suppose.

To get the count of numbers less than $n$ which are coprime to $2,3,5,7,11,13$, we can use Principle of Exclusion-Inclusion.

In that case, we will consider terms ...

Take a number. $n=100,000$ suppose.

To get the count of numbers less than $n$ which are coprime to $2,3,5,7,11,13$, we can use Principle of Exclusion-Inclusion.

In that case, we will consider terms ...