例如:36=2*2*3*3
#include <stdio.h>
int main(int argc, const char * argv[])
{
int n,temp,i = 2;
printf("输入正整数:\n");
scanf("%d",&n);
temp = n;
printf("%d=",n);
while (i <= n/2) {
if (temp % i ==0) {
if(temp == i){
temp /= i;
printf("%d\n",i);
}
else{
temp /= i;
printf("%d*",i);
}
i = 2;
continue;
}
i++;
}
return 0;
}