#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define all(a) a.begin(),a.end() #define rep(i, n) for (ll i = 0; i < (n); i++) #define pb push_back #define debug(x) cerr << __LINE__ << ' ' << #x << ':' << (x) << '\n' #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") using namespace std; typedef long long ll; typedef unsigned int uint; typedef unsigned long long ull; typedef long double ld; typedef pair P; typedef complex com; template using prique = priority_queue, greater>; constexpr int inf = 1000000010; constexpr ll INF = 1000000000000000010; constexpr int mod1e9 = 1000000007; constexpr int mod998 = 998244353; constexpr ld eps = 1e-12; constexpr ld pi = 3.141592653589793238; constexpr ll ten(int n) { return n ? 10 * ten(n - 1) : 1; }; int dx[] = { 1,0,-1,0,1,1,-1,-1 }; int dy[] = { 0,1,0,-1,1,-1,1,-1 }; void fail() { cout << "-1\n"; exit(0); } void no() { cout << "No\n"; exit(0); } template inline bool chmax(T &a, const U &b) { if (a < b) { a = b; return true; } return false; } template inline bool chmin(T &a, const U &b) { if (a > b) { a = b; return true; } return false; } template istream &operator >> (istream &s, vector &v) { for (auto &e : v) s >> e; return s; } template ostream &operator << (ostream &s, const vector &v) { for (auto &e : v) s << e << ' '; return s; } struct fastio { fastio() { cin.tie(0); cout.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); cerr << fixed << setprecision(20); } }fastio_; ll modpow(ll a, ll b, ll m) { ll ans = 1; a %= m; while (b) { if (b & 1) ans = ans * a % m; a = a * a % m; b >>= 1; } return ans; } int totient(int n) { int ans = 1; for (int i = 2; i * i <= n; i++) { int cnt = 0; while (n % i == 0) { n /= i; cnt++; } if (cnt) ans *= i - 1; rep(j, cnt - 1) ans *= i; } if (n != 1) ans *= (n - 1); return ans; } int main() { int t; cin >> t; while (t--) { int n; cin >> n; n = 2 * n - 1; int d = totient(n); int ans = d; for (int i = 1; i * i <= d; i++) { if (d % i) continue; if (modpow(2, i, n) == 1) chmin(ans, i); if (modpow(2, d / i, n) == 1) chmin(ans, d / i); } cout << ans << '\n'; } }