#include <bits/stdc++.h>
#define int long long
using namespace std;
const int NMAX = 1e4+2;
int n,m,a[NMAX];
vector<tuple<int, int, int>> restr;
vector<int> v[NMAX];

ifstream fin("oz.in");
ofstream fout("oz.out");

signed main()
{
    fin >> n >> m;
    restr.resize(m);
    for(auto &[i, j, d]: restr){
        fin >> i >> j >> d;
        v[i].push_back(d);
        v[j].push_back(d);
    }
    for(int i = 1; i <= n; i++){
        if(v[i].size() == 0){
            continue;
        }
        int lcm = v[i][0];
        for(int j = 1; j < v[i].size(); j++){
            lcm = (lcm*v[i][j])/__gcd(lcm, v[i][j]);
        }
        a[i] = lcm;
    }
    bool ok = true;
    for(auto [i, j, d]: restr){
        ok &= (__gcd(a[i], a[j]) == d);
    }
    if(ok){
        for(int i = 1; i <= n; i++){
            fout << a[i] << " ";
        }
    }else{
        fout << "-1";
    }
    return 0;
}