http://acm.hust.edu.cn/vjudge/contest/view.action?cid=29821#problem/I
// File Name: bo_jwolf9.cpp
// Author: rudolf
// Created Time: 2013年08月23日 星期五 11:57:08
#include<vector>
#include<list>
#include<map>
#include<set>
#include<deque>
#include<stack>
#include<bitset>
#include<algorithm>
#include<functional>
#include<numeric>
#include<utility>
#include<sstream>
#include<iostream>
#include<iomanip>
#include<cstdio>
#include<cmath>
#include<cstdlib>
#include<cstring>
#include<ctime>
using namespace std;
int main()
{
int n , Case ;
scanf( "%d" , &Case ) ;
for( int i = 1 ; i <= Case ; ++i )
{
scanf( "%d" , &n ) ;
printf( "Case #%d: %d " , i , n ) ;
int ans = 0 ;
for( int i = 2 ; i <= sqrt( n ) ; ++i )
{
if( ans > 1 )
break ;
if( n % i == 0 )
{
ans++ ;
printf( "= %d * %d " , i , n / i ) ;
}
}
printf( "\n" ) ;
}
return 0;
}