【C语言】分解质因数

代码：

#include<stdio.h>//36=2*2*3*3void fun(int n){int i=2;while(n!=1){if(n%i==0){n=n/i;printf("*%d",i);i=1;}i++;}}void main(){int num=0;printf("input a num \n");scanf("%d",&num);printf("%d=1",num);fun(num);printf("\n");}