求一個數的質因子

標籤：java   for   re   c   ar   amp   

 private static void prime(int i){     int j = 2;     while(true){     while(i%j == 0 && i != j){     System.out.println("Prime num " + j);     i = i/j;     }     if(i ==  j){     System.out.println("Prime num " + j);     break;     }     j++;     }     }

private static void prime1(int i){     for(int j = 2; j < i; j++){     while(isPrime(j) && i%j==0){     System.out.println("prime num " + j);     if(i != j){     i = i/j ;     } else {     System.out.println("prime num " + i);     break;     }     }     }     }               static boolean isPrime(int number) {        for (int i = 2; i*i < number; i++) {            if (number % i == 0 && i != number) return false;        }        return true;    }