#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#define DEBUG(...) debug(#__VA_ARGS__, __VA_ARGS__)
#else
#define DEBUG(...) 6
#endif
template<typename T, typename S> ostream& operator << (ostream &os, const pair<T, S> &p) {return os << "(" << p.first << ", " << p.second << ")";}
template<typename C, typename T = decay<decltype(*begin(declval<C>()))>, typename enable_if<!is_same<C, string>::value>::type* = nullptr>
ostream& operator << (ostream &os, const C &c) {bool f = true; os << "["; for (const auto &x : c) {if (!f) os << ", "; f = false; os << x;} return os << "]";}
template<typename T> void debug(string s, T x) {cerr << "\033[1;35m" << s << "\033[0;32m = \033[33m" << x << "\033[0m\n";}
template<typename T, typename... Args> void debug(string s, T x, Args... args) {for (int i=0, b=0; i<(int)s.size(); i++) if (s[i] == '(' || s[i] == '{') b++; else
if (s[i] == ')' || s[i] == '}') b--; else if (s[i] == ',' && b == 0) {cerr << "\033[1;35m" << s.substr(0, i) << "\033[0;32m = \033[33m" << x << "\033[31m | "; debug(s.substr(s.find_first_not_of(' ', i + 1)), args...); break;}}
#define pi pair<int,int>
#define mp make_pair
#define pb push_back
#define vi vector<int>
#define eb emplace_back
#define f first
#define s second
#define lep(i,a,b) for (int i = (a); i <= (b); i++)
#define rep(i,a,b) for (int i = (a); i >= (b); i--)
const int inf = 1e9;
int t;
const int mx = 1e7 + 5;
int prime_divs[mx+1][8];
int np[mx+1];
int trans[mx+1];
int dp[mx+1];
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n, q;
cin >> n >> q;
vector<int> primes;
lep(i,1,n) {
int x;
cin >> x;
primes.pb(x);
}
for (int x: primes) {
for (int i = x; i <= mx; i+=x) {
np[i]++;
prime_divs[i][np[i]-1] = x;
}
}
// initialize trans[mx]
for (int p: primes) {
int val = mx;
val = min(val, mx-(mx%p));
trans[mx] = val;
}
rep(i,mx-1,0) {
int val = trans[i+1];
lep(j,0,np[i+1]-1) {
int p = prime_divs[i+1][j];
val = min(val, i-(i%p));
}
trans[i] = val;
}
dp[0] = 0;
lep(i,1,mx) {
dp[i] = (i == trans[i]) ? inf : dp[trans[i]]+1;
}
lep(qq,1,q) {
int x; cin >> x;
if (dp[x] == inf) {
cout << "oo\n";
} else {
cout << dp[x] << "\n";
}
}
}
