# include <bits/stdc++.h>
using namespace std;
char s[1000005];
int p[1000005];
int KMP(void)
{
    int n = strlen(s+1);
    p[1] = 0;
    for (int i=2,k=0;i <= n;++i)
    {
        while (k && s[k+1] != s[i]) k=p[k];
        k+=(s[k+1] == s[i]);p[i] = k;
    }
    for (int i = n;i;--i) if (!(i % (i - p[i])) && p[i]) return i;
    return 0;
}
int main(void)
{
    int t;
    freopen("prefix.in","r",stdin);
    freopen("prefix.out","w",stdout);
    scanf("%d\n",&t);
    while (t --)
    {
        scanf("%s\n",s+1);
        printf("%d\n",KMP());
    }
    return 0;
}