Write a program to find whether the given number is a prime numbers

Source Code

#include<stdio.h>
#include<conio.h>
int main (int argc, char *argv[])
{
  clrscr();
  int n=0,i=0,c=0;
  printf("\n Enter the number:");
  scanf("%d",&n);
  for(i=1;i<=n;i++)
  {
       if(n%i==0)
    c++;
  }
  if(c<=2)
      printf("%d is a prime number",n);
  else
      printf("%d is not a prime number",n);
  getch();
}

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