use std::io::*;

fn f(x: usize, n: usize) -> usize {
    x * 10 % n
}

fn cycle(n: usize) -> usize {
    let mut osoi = 10;
    let mut hayai = f(10, n);
    while osoi != hayai {
        osoi = f(osoi, n);
        hayai = f(f(hayai, n), n);
    }

    let mut len = 1;
    hayai = f(hayai, n);
    while osoi != hayai {
        len += 1;
        hayai = f(hayai, n);
    }
    len
}

fn main() {
    let mut s: String = String::new();
    std::io::stdin().read_to_string(&mut s).ok();
    let mut itr = s.trim().split_whitespace();
    let t: usize = itr.next().unwrap().parse().unwrap();
    for _ in 0..t {
        let n: usize = itr.next().unwrap().parse().unwrap();
        // 10^x mod nの最小循環
        let mut m = n;
        while m % 2 == 0 {
            m /= 2;
        }
        while m % 5 == 0 {
            m /= 5;
        }
        if m == 1 {
            println!("1");
            continue;
        }
        println!("{}", cycle(n));
    }
}