Sample C Prog For Prime Number

#include

#include

void main()

{

int n,a;

clrscr();

printf("the input value of n is");

scanf("%d",&n);

for(a=2;a{

if(n%a==0);

{

printf("%d is a not a prime number",n);

break;

}

}

if(a==n);

{

printf("%d is a prime number",n);

}

getch();

}