void main()
{
int i,number=1;
clrscr();
while(number<=100)
     {
     i=2;
     while(i<=number)
         {
         if(number%i==0)
         break;
         i++;
         }
     if(i==number)
     printf("\n%d is Prime",number);
     number++;
     }
getch();
}