//CHECK FOR PRIMES


#include<stdio.h>
#include<conio.h>
void main()
{
int a,i,k=0;
clrscr();
printf("enter the value");
scanf("\%d",&a);
if(a<=1)
	printf("the number is neither prime nor composite");
else
	{
	for(i=2;i<=(a/2);i++)
		if(a%i==0)
			k++;
	if(k>0)
		printf("the number is not prime\n");
	else
		printf("the number is prime\n");
	}
getch();
}

/*
OUTPUT

enter the value : 7
the number is prime.
*/