prime number(c program)

/*Write a program to find whether a user entered number is prime or not. Coded for KoDes4U.blogspot.com*/

#include

#include

void main()

{

int num,i=2;

clrscr();

printf("\nEnter a number:");

scanf("%d",&num);

while(i<=num)

{

if(num%i==0)

{

printf("\nNot a prime number.");

break;

}

else

{

if(i==num/2)

printf("Prime number");

break;

}

i++;

}

getch();

}