#include using namespace std; #define ll long long #define ld long double #define REP(i,m,n) for(int i=(int)(m); i<(int)(n); i++) #define rep(i,n) REP(i,0,n) #define RREP(i,m,n) for(int i=(int)(m); i>=(int)(n); i--) #define rrep(i,n) RREP(i,n-1,0) #define all(v) v.begin(), v.end() const int inf = 1e9+7; const ll longinf = 1LL<<60; const ll mod = 1e9+7; const ld eps = 1e-10; bool is_prime(const ll n) { switch(n) { case 0: // fall-through case 1: return false; case 2: // fall-through case 3: return true; } if(n % 2 == 0) return false; if(n % 3 == 0) return false; if(n % 6 != 1 && n % 6 != 5) return false; for(ll i=5; i*i<=n; i+=6) { if(n % i == 0) return false; // 6n-1 if(n % (i+2) == 0) return false; // 6n+1 } return true; } ll modpow(ll a, ll N, ll mod=mod) { ll ans = 1; ll tmp = a; while(N > 0) { if(N % 2 == 1) (ans *= tmp) %= mod; (tmp *= tmp) %= mod; N /= 2; } return ans; } #define MAX_N 5000005 ll inv[MAX_N], fac[MAX_N], finv[MAX_N]; void make() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for(int i=2; i> a >> p; if(!is_prime(p)) cout << -1 << "\n"; else cout << modpow(a, fac[p], p) << "\n"; } int main() { cin.tie(0); ios::sync_with_stdio(false); make(); int t; cin >> t; while(t--) { solve(); } return 0; }