// #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include #include using namespace std; using namespace atcoder; using mint = modint998244353; // using mint = modint1000000007; using ll = long long; using ull = unsigned long long; using ld = long double; using pii = pair; using pll = pair; using T = tuple; using G = vector>; #define rep(i, n) for (ll i = 0; i < (n); ++i) #define rep2(i, a, b) for (ll i = a; i < (b); ++i) #define rrep2(i, a, b) for (ll i = a-1; i >= (b); --i) #define rep3(i, a, b, c) for (ll i = a; i < (b); i+=c) #define rng(a) a.begin(),a.end() #define rrng(a) a.rbegin(),a.rend() #define popcount __builtin_popcount #define popcountll __builtin_popcountll #define fi first #define se second #define UNIQUE(v) sort(rng(v)), v.erase(unique(rng(v)), v.end()) #define MIN(v) *min_element(rng(v)) #define MAX(v) *max_element(rng(v)) #define SUM(v) accumulate(rng(v),0) #define IN(v, x) (find(rng(v),x) != v.end()) template bool chmin(T &a,T b){if(a>b){a=b;return 1;}else return 0;} template bool chmax(T &a,T b){if(a void printv(vector &v){rep(i,v.size())cout< void printvv(vector> &v){rep(i,v.size())rep(j,v[i].size())cout<> q; rep(t, q){ ll seed, n, k, b; cin >> seed >> n >> k >> b; vector x(n+1); x[0] = seed; rep(i, n) x[i+1] = 1+(x[i]*x[i]+x[i]*12345)%mod; vector ps; rep2(i, 2, 37){ if (b%i) continue; int c = 0; while(b%i == 0) b /= i, c++; ps.emplace_back(i, c); } vector> a(ps.size(), vector(n+1)); rep(i, ps.size()){ int p = ps[i].fi; rep(j, n+1){ int c = 0; while(x[j]%p == 0) x[j] /= p, c++; a[i][j] = c; } } int res = INF; rep(i, ps.size()){ sort(rng(a[i])); int s = 0; rep(j, k){ s += a[i][j]; } chmin(res, s/ps[i].se); } cout << res << endl; } return 0; }