#include #define FOR(i, a, b) for (ll i = (a); i < (b); i++) #define RFOR(i, a, b) for (ll i = (b)-1; i >= (a); i--) #define rep(i, n) for (ll i = 0; i < (n); i++) #define rep1(i, n) for (ll i = 1; i <= (n); i++) #define rrep(i, n) for (ll i = (n)-1; i >= 0; i--) #define pb push_back #define mp make_pair #define fst first #define snd second #define show(x) cout << #x << " = " << x << endl #define chmin(x, y) x = min(x, y) #define chmax(x, y) x = max(x, y) #define pii pair #define vi vector using namespace std; template ostream& operator<<(ostream& o, const pair& p) { return o << "(" << p.first << "," << p.second << ")"; } template ostream& operator<<(ostream& o, const vector& vc) { o << "sz = " << vc.size() << endl << "["; for (const T& v : vc) o << v << ","; o << "]"; return o; } using ll = long long; constexpr ll MOD = 1e8 + 9; constexpr int INF = numeric_limits::max() / 10; int main() { vector prime{{2, 3, 5, 7, 11, 13, 15, 17, 19, 23, 29, 31}}; int Q; cin >> Q; rep(q, Q) { ll seed; cin >> seed; int n, k, b; cin >> n >> k >> b; vector pf; for (int p : prime) { int n = 0; while (b % p == 0) { b /= p; n++; } if (n > 0) { pf.pb(mp(p, n)); } } int mini = INF; for (const auto& p : pf) { ll x = seed; vector ind(n + 1); for (int i = 0; i <= n; i++) { ll num = x; ll n = 0; while (num % p.first == 0) { n++; num /= p.first; } ind[i] = n; x = 1 + ((x * x) % MOD + (x * 12345LL) % MOD) % MOD; } sort(ind.begin(), ind.end()); int sum = 0; for (int i = 0; i < k; i++) { sum += ind[i]; } mini = min(mini, sum / p.second); } cout << mini << endl; } return 0; }