#include<bits/stdc++.h>
using namespace std;

#define REP(i,a,b) for(i=a;i<b;i++)
#define rep(i,n) REP(i,0,n)

#define mygc(c) (c)=getchar_unlocked()
#define mypc(c) putchar_unlocked(c)

#define ll long long
#define ull unsigned ll

void reader(int *x){int k,m=0;*x=0;for(;;){mygc(k);if(k=='-'){m=1;break;}if('0'<=k&&k<='9'){*x=k-'0';break;}}for(;;){mygc(k);if(k<'0'||k>'9')break;*x=(*x)*10+k-'0';}if(m)(*x)=-(*x);}
void reader(ll *x){int k,m=0;*x=0;for(;;){mygc(k);if(k=='-'){m=1;break;}if('0'<=k&&k<='9'){*x=k-'0';break;}}for(;;){mygc(k);if(k<'0'||k>'9')break;*x=(*x)*10+k-'0';}if(m)(*x)=-(*x);}
int reader(char c[]){int i,s=0;for(;;){mygc(i);if(i!=' '&&i!='\n'&&i!='\r'&&i!='\t'&&i!=EOF) break;}c[s++]=i;for(;;){mygc(i);if(i==' '||i=='\n'||i=='\r'||i=='\t'||i==EOF) break;c[s++]=i;}c[s]='\0';return s;}
template <class T, class S> void reader(T *x, S *y){reader(x);reader(y);}
template <class T, class S, class U> void reader(T *x, S *y, U *z){reader(x);reader(y);reader(z);}
template <class T, class S, class U, class V> void reader(T *x, S *y, U *z, V *w){reader(x);reader(y);reader(z);reader(w);}

void writer(int x, char c){int s=0,m=0;char f[10];if(x<0)m=1,x=-x;while(x)f[s++]=x%10,x/=10;if(!s)f[s++]=0;if(m)mypc('-');while(s--)mypc(f[s]+'0');mypc(c);}
void writer(ll x, char c){int s=0,m=0;char f[20];if(x<0)m=1,x=-x;while(x)f[s++]=x%10,x/=10;if(!s)f[s++]=0;if(m)mypc('-');while(s--)mypc(f[s]+'0');mypc(c);}
void writer(const char c[]){int i;for(i=0;c[i]!='\0';i++)mypc(c[i]);}
void writer(const char x[], char c){int i;for(i=0;x[i]!='\0';i++)mypc(x[i]);mypc(c);}
template<class T> void writerLn(T x){writer(x,'\n');}
template<class T, class S> void writerLn(T x, S y){writer(x,' ');writer(y,'\n');}
template<class T, class S, class U> void writerLn(T x, S y, U z){writer(x,' ');writer(y,' ');writer(z,'\n');}
template<class T> void writerArr(T x[], int n){int i;if(!n){mypc('\n');return;}rep(i,n-1)writer(x[i],' ');writer(x[n-1],'\n');}

#define MD 1000000007

void extended_euclid(ll x,ll y,ll *c,ll *a,ll *b){
  ll a0,a1,a2,b0,b1,b2,r0,r1,r2,q;
  r0=x; r1=y; a0=1; a1=0; b0=0; b1=1;
  while(r1>0){
    q=r0/r1; r2=r0%r1; a2=a0-q*a1; b2=b0-q*b1;
    r0=r1; r1=r2; a0=a1; a1=a2; b0=b1; b1=b2;
  }
  *c=r0; *a=a0; *b=b0;
}

ll get_inv(ll n, ll p){
  ll a,b,c;
  extended_euclid(n,p,&c,&a,&b);
  if(a<p) a+=p;
  return a%p;
}

int T;
ll N, M;

int main(){
  int i, j, k;
  ll res;


  reader(&T);
  while(T--){
    reader(&N,&M);
    if(N >= M){ writerLn(0); continue; }

    if(N <= 500000){
      res = 1 % M;
      REP(i,1,N+1) res = res * i % M;
    } else {
      for(i=2;i*i<=M;i++) if(M%i==0) break;
      if(i*i<=M){
        res = 0;
      } else {
        res = M-1;
        for(i=M-2;i>=N;i--) res = res * get_inv(i+1,M) % M;
      }
    }
    writerLn(res);
    
  }

  return 0;
}