#include<bits/stdc++.h>
using namespace std;

typedef long long int       ll;
typedef unsigned long long int  ull;
typedef vector<int>         vi;
typedef vector<ll>          vll;
typedef vector<vi>          vvi;
typedef pair<int,int >      pii;
typedef vector< pii >       vpii;
typedef set<int>            sti;

#define sc                  scanf
#define pf                  printf
#define sci(n)              scanf("%d",&n)
#define scl(n)              scanf("%I64d",&n)
#define scf(n)              scanf("%lf",&n)
#define pfi(n)              printf("%d",n)
#define pfl(n)              printf("%I64d",n)
#define pff(n)              cout<<n
#define line                printf("\n")
#define spc                 printf(" ")
#define loop(i,x,y)         for(int i=int(x); i<=int(y); i++)
#define rloop(i,y,x)        for(int i=int(y); i>=int(x); i--)
#define cspf(i)             printf("Case %d: ", i)
#define pb                  push_back
#define mp                  make_pair
#define ff                  first
#define ss                  second
#define all(v)              v.begin(),v.end()
#define rall(v)             v.rbegin(),v.rend()
#define read()              freopen("input.txt", "r", stdin)
#define write()             freopen("output.txt", "w", stdout)
/// Constants
#define eps                 1e-9
#define PI                  acos(-1.0)  // 3.1415926535897932

ll digit(int x)
{
    rloop(i,9,2){
        if(x%i==0)
            return i;
    }
    return -1;
}

int main()
{
    read();
    write();
    int n; sci(n);
    loop(i,1,n){
        vi vt;
        int x,k; sci(x);
        int flg=0;
        while(x/10>0){
            k=digit(x);
            if(k==-1){
                flg=1;
                break;
            }
            vt.pb(k);
            x/=k;
        }
        if(flg==1)
            pf("-1\n");
        else{
            vt.pb(x);
            sort(all(vt));
            int sz=vt.size();
            loop(j,0,sz-1)
                pfi(vt[j]);
            line;
        }
        vt.clear();
    }
    return 0;
}