Hide

Problem B
Largest Factor

Languages en is

You are given a positive integer $n$ and are to find its largest prime factor.

Input

The first and only line of input contains a positive integer $2 \leq n \leq 10^9$.

Output

Print the largest prime factor of $n$.

Sample Input 1 Sample Output 1
52736890
10007

Please log in to submit a solution to this problem

Log in