C语言实现素因子分解

#include<stdio.h>
#include<math.h>
 
int main(void)
{
 int i,j;
 long int m, n;
 int count;
 int isPrime,flag;
 
 isPrime = 1;
 flag = 0;
 
 scanf("%ld",&n);
 printf("%ld=",n);
 m = sqrt(n);
 for(i = 2; i <= m;i++){
 if(n%i == 0){
  //printf("%d",i);
  isPrime = 0;
  count = 1;
  n = n / i;
  while(n%i == 0){
  n = n / i;
  count++;
  }
  if(flag)
  printf("*");
  else
  flag = 1;
  if(count == 1)
  printf("%d",i);
  else
  printf("%d^%d",i,count);
 }
 }
 if(isPrime)
 printf("%d",n);
 
 return 0;
}