using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.IO; using System.Linq; using System.Numerics; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; using static System.Math; public static class P { public static void Main() { int t = int.Parse(Console.ReadLine()); for (int i = 0; i < t; i++) { long n = int.Parse(Console.ReadLine()); while (n % 2 == 0) n /= 2; while (n % 5 == 0) n /= 5; long res = n == 1 ? 1 : long.MaxValue; var totient = Totient(n); for (int j = 1; j * j <= totient; j++) { if (totient % j != 0) continue; if (Power(10, j, n) == 1) res = Min(res, j); if (Power(10, totient / j, n) == 1) res = Min(res, totient / j); } Console.WriteLine(res); } static long Power(long n, long m, long mod) { long pow = n; long res = 1; while (m > 0) { if ((m & 1) == 1) res = (pow * res) % mod; pow = (pow * pow) % mod; m >>= 1; } return res; } } public static long Totient(long n) { long res = n; if ((n & 1) == 0) { res >>= 1; do { n >>= 1; } while ((n & 1) == 0); } for (long i = 3; i * i <= n; i += 2) { long rem, div = DivRem(n, i, out rem); if (rem == 0) { res = (res / i) * (i - 1); do { n = div; div = DivRem(n, i, out rem); } while (rem == 0); } } if (n != 1) res = (res / n) * (n - 1); return res; } }