#include<stdio.h>#include<math.h>int main(){ ????????int n,w=0,i=2; ????????printf("輸入一個大于或等于3的整數: "); ????????scanf("%d",& n); ????????do ????????{ ????????????????int r=n%i; ????????????????if(r==0) ????????????????{int w=1;} ????????????????else ????????????????i+=1; ????????}while(w==0&&i<=sqrt(n)); ????????if(w==0) ????????printf("其是素數\n"); ????????else ????????printf("其不是素數\n");????????return 0;}????????