Prime Number Or Not Code

//Prime no.

#include<stdio.h>
main()
{
 int n,i,k=0;
 printf("enter value");
 scanf("%d",&n);
 for(i=2;i<n;i++)
 {
  if(n%i==0)
  k=1;
 }
 { 
 if(k==0)
 printf("it is a prime no");
 else
 printf("it is not a prime no");
    }
}