#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define endl codeforces #define ALL(v) std::begin(v), std::end(v) #define ALLR(v) std::rbegin(v), std::rend(v) using ll = std::int64_t; using ull = std::uint64_t; using pii = std::pair; using tii = std::tuple; using pll = std::pair; using tll = std::tuple; using size_type = ssize_t; template using vec = std::vector; template using vvec = vec>; template const T& var_min(const T &t) { return t; } template const T& var_max(const T &t) { return t; } template const T& var_min(const T &t, const Tail&... tail) { return std::min(t, var_min(tail...)); } template const T& var_max(const T &t, const Tail&... tail) { return std::max(t, var_max(tail...)); } template void chmin(T &t, const Tail&... tail) { t = var_min(t, tail...); } template void chmax(T &t, const Tail&... tail) { t = var_max(t, tail...); } template struct multi_dim_array { using type = std::array::type, Head>; }; template struct multi_dim_array { using type = std::array; }; template using mdarray = typename multi_dim_array::type; template void fill_seq(T &t, F f, Args... args) { if constexpr (std::is_invocable::value) { t = f(args...); } else { for (size_type i = 0; i < t.size(); i++) fill_seq(t[i], f, args..., i); } } template vec make_v(size_type sz) { return vec(sz); } template auto make_v(size_type hs, Tail&&... ts) { auto v = std::move(make_v(std::forward(ts)...)); return vec(hs, v); } namespace init__ { struct InitIO { InitIO() { std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); std::cout << std::fixed << std::setprecision(30); } } init_io; } template T ceil_pow2(T bound) { T ret = 1; while (ret < bound) ret *= 2; return ret; } template T ceil_div(T a, T b) { return a / b + !!(a % b); } vec primes; ll solve() { ll n; std::cin >> n; while (n % 2 == 0) n /= 2; while (n % 5 == 0) n /= 5; if (n == 1) return 1; ll tmp = n; ll phi = 1; for (ll e : primes) { if (tmp % e) continue; ll mul = 1; while (tmp % e == 0) { tmp /= e; mul *= e; } phi *= (mul - mul / e); } if (tmp != 1) phi *= (n - 1); auto pow10 = [&](ll b) { ll cur = 10, ret = 1; while (b) { if (b & 1) { ret *= cur; ret %= n; } cur = cur * cur % n; b /= 2; } return ret; }; ll ans = phi; for (ll i = 1; i * i <= phi; i++) { if (phi % i) continue; if (pow10(i) == 1) chmin(ans, i); if (pow10(phi / i) == 1) chmin(ans, phi / i); } return ans; } int main() { vec used(1e5 + 10, false); for (ll i = 2; i < used.size(); i++) { if (used[i]) continue; primes.push_back(i); for (ll j = 1; i * j < used.size(); j++) used[i * j] = true; } ll t; std::cin >> t; while (t--) std::cout << solve() << "\n"; return 0; }