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#include <fstream>
using namespace std;
ifstream f("euclid2.in");
ofstream g("euclid2.out");
int main()
{
int v[100003][2],i,j,n,h[100003];
cin>>n;
for(i=1; i<=n; i++) cin>>v[i][1]>>v[i][2];
for(i=1; i<=n; i++)
{
if(v[i][1]>v[i][2])j=v[i][2]-1;
else j=v[i][1]-1;
while(v[i][1]%j!=0 && v[i][2]%j!=0 || j!=1) j--;
h[i]=j;
}
for(i=1; i<=n; i++) cout<<h[i]<<' ';
return 0;
}