#include #include #include"zylib.h" int GetInteger(STRING prompt); BOOL IsPrime(un

#include int prime(int n){ int flag=1,i; for(i=2;i<=n/2;i++) if(n%i==0) flag=0;return (flag);}}void main(){ int n,a;printf("Please input an integer:");scanf("%d",&n);if (prime(n)) printf("\nn=%d is a prime.\n",n);else printf("\nn=%d is not a prime.\n",n);}