#include using namespace std; typedef long long ll; typedef pair p_ll; template void debug(T itr1, T itr2) { auto now = itr1; while(now=0; i--) const ll MOD = pow(10,9)+7; const ll LLINF = pow(2,61)-1; const int INF = pow(2,30)-1; vector fac; void c_fac(int x=pow(10,6)+10) { fac.resize(x,true); rep(i,x) fac[i] = i ? (fac[i-1]*i)%MOD : 1; } ll modpow(ll x, ll p, ll m=MOD) { ll result = 1, now = 1, pm = x; while (now<=p) { if (p&now) { result = result * pm % m; } now*=2; pm = pm*pm % m; } return result; } ll inv(ll a, ll m=MOD) { ll b = m, x = 1, y = 0; while (b!=0) { int d = a/b; a -= b*d; swap(a,b); x -= y*d; swap(x,y); } return (x+m)%m; } ll nck(ll n, ll k) { return fac[n]*inv(fac[k]*fac[n-k]%MOD)%MOD; } ll gcd(ll a, ll b) { if (a> T; rep(_,T) { ll N; cin >> N; ll so = 1, tn = 2*N-1; for (ll i=2; i*i<=tn; i++) { if (tn%i==0) { ll count = 0; while (tn%i==0) { count++; tn/=i; } so *= modpow(i,count-1) * (i-1); } } if (tn!=1) so *= tn-1; vector yaku; for (ll i=1; i*i<=so; i++) if (so%i==0) { yaku.push_back(i); yaku.push_back(so/i); } sort(all(yaku)); for (auto x: yaku) { if (modpow(2,x,2*N-1)==1) { cout << x << endl; break; } } } // cout << result << endl; return 0; }