import sys
sys.setrecursionlimit(3*10**5)
t = int(input())
for _ in range(t):
    n = int(input())
    dic = {}
    now = 1
    while now < n:
        now *= 10
    c = 0
    ans = 1
    while now:
        x,now = divmod(now,n)
        if now in dic:
            ans = c-dic[now]
            break
        dic[now] = c
        now *= 10
        #print(now)
        c += 1
    print(ans)