#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic warning "-Wunused-function"
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; }
template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;
using mint = modint998244353;

} int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  ll x;
  cin >> n >> x;
  n++;
  VL a(n);
  a[0] = x;
  rep(i, n) if (i) cin >> a[i];
  VI nxt(n + 1, -1);
  rrep(i, n) nxt[i] = a[i] != 1 ? i : nxt[i + 1];
  vector<mint> dp(n + 2);
  dp[0] = 1;
  dp[1] = -1;
  rep(i, n) {
    ll v = a[i];
    int r = i + 1;
    while (true) {
      r = nxt[r];
      if (r == -1) {
        r = n;
        break;
      }
      if (v % a[r]) break;
      v /= a[r++];
    }
    dp[i+1] += dp[i] + dp[i];
    dp[r+1] -= dp[i];
  }
  cout << dp[n].val() << '\n';
}