#include <iostream>
#include <vector>
#include <tuple>
#include <algorithm>
#include <numeric>
#include <unordered_map>
#include <set>
#include <fstream>

using namespace std;

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

int a[10003], n;
int x[100003], y[100003], d[100003], m;

int main(){
    int i, j, D, k, c;
    fin >> n >> m;
    for (i = 1; i <= n; i++)
        a[i] = 1;
    for (k = 1; k <= m; k++)
    {
        fin >> i >> j >> D;
        x[k] = i; y[k] = j; d[k] = D;
        c = __gcd(D, a[i]);
        a[i] = a[i] / c * D;
        c = __gcd(D, a[j]);
        a[j] = a[j] / c * D;
    }
    for (i = 1; i <= m; i++)
        if (__gcd(a[x[i]], a[y[i]]) != d[i])
        {
            fout << "-1\n";
            fout.close();
            return 0;
        }
    for (i = 1; i <= n; i++)
        fout << a[i] << " ";
    return 0;
}