#include <iostream>
#include <fstream>
using namespace std;

int n,m,x[100100],y[100100],d[100100];
int v[10100];

inline int cmmdc(int a,int b)
{
    //cout<<a<<' '<<b<<'\n';
    int r=0;
    while(b)
    {
        r=a%b;
        a=b;
        b=r;
    }
    //cout<<a<<' ';
    return a;
}

inline long long cmmmc(int a,int b)
{
    return (1LL*a*b)/cmmdc(a,b);
}

int main()
{
    ifstream in("oz.in");
    ofstream out("oz.out");

    in>>n>>m;
    for(int i=1;i<=n;++i) v[i]=1;

    for(int i=1;i<=m;++i)
    {
        in>>x[i]>>y[i]>>d[i];
        v[x[i]]=cmmmc(v[x[i]],d[i]);
        v[y[i]]=cmmmc(v[y[i]],d[i]);

        /*for(int i=1;i<=n;++i)
        {
            cout<<v[i]<<' ';
        }
        cout<<"\n\n";*/
    }

    for(int i=1;i<=m;++i)
    {
        if(cmmdc(v[x[i]],v[y[i]])!=d[i])
        {
            out<<"-1\n";
            return 0;
        }
    }

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

    out.close();
    return 0;
}