#include <fstream>
#define DEF 10010
#define INF 2000001

using namespace std;

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

int a[10*DEF][3], n, m;

long long v[DEF];

int cmmdc (int a, int b) {
    int r;
    while (b) {
        r = a % b;
        a = b;
        b = r;
    }
    return a;
}

int main () {
    fin >> n >> m;

    for (int i = 1; i <= n; ++ i) {
        v[i] = 1;
    }

    for (int i = 1; i <= m; ++ i) {
        fin >> a[i][1] >> a[i][2] >> a[i][0];

        v[a[i][1]] = 1LL *  v[a[i][1]] * a[i][0] / cmmdc (v[a[i][1]], a[i][0]);
        if (v[a[i][1]] > INF) {
            fout << "-1";
            return 0;
        }
        v[a[i][2]] = 1LL *  v[a[i][2]] * a[i][0] / cmmdc (v[a[i][2]], a[i][0]);
        if (v[a[i][2]] > INF) {
            fout << "-1";
            return 0;
        }

    }

    for (int i = 1; i <= m; ++ i) {
        if (cmmdc (v[a[i][1]], v[a[i][2]]) != a[i][0]) {
            fout << "-1";
            return 0;
        }
    }

    for (int i = 1; i <= n; ++ i)
        fout << v[i] << " ";

    return 0;
}