#include #include #include #include #include #include #include #include #include #include using namespace std; using ll = long long; const ll m7 = 1e9+7, m6 = 1e9+6; //X!が素数pで何回割り切れるか ll Legendre(ll X, ll p){ ll cnt=0, q=p; while(X/q > 0){ cnt += X/q; if (q <= X/p) q *= p; else break; } return cnt; } ll mod_exp(ll b, ll e, ll m){ if (e > 0 && b == 0) return 0; ll ans = 1; b %= m; while (e > 0){ if ((e & 1LL)) ans = (ans * b) % m; e = e >> 1LL; b = (b*b) % m; } return ans; } int main(){ ll N, P, x; cin >> N >> P; x = Legendre(N, P); vector P6(N+1), P7(N+1); P6[0] = 1; P7[0] = 1; for (int i=1; i<=N; i++) P6[i] = (P6[i-1] * i) % m6; for (int i=1; i<=N; i++) P7[i] = (P7[i-1] * i) % m7; x *= mod_exp(P7[N], P6[N], m7); x %= m7; cout << x << endl; return 0; }