#include <iostream>
#include <vector>
using namespace std;
using ll = long long;
using ull = unsigned long long;
#define rep(i,n) for(int i=0; i<(n); i++)

const int Z = 500001;

vector<int> dp[2];

void procdp(int x){
  for(int p = Z/x; p>0; p--) rep(t,2) dp[t][p*x] = max(dp[t][p*x],dp[t][p]+1);
  for(int p = Z/x; p>0; p--) rep(t,2) dp[t][p*x] = max(dp[t][p*x],dp[t^1][p]+1);
}

vector<int> X;

int main(){
  rep(t,2) dp[t].assign(Z+1,0);
  dp[0][1] = 2;
  dp[1][1] = 1;
  for(int x=2; x<=Z; x++) procdp(x);

  X.assign(Z*2+1,0);
  X[Z] = 1;
  for(int i=1; i<=Z; i++) X[Z-i] = ((dp[1][i] >= 5) ? 1 : 0);
  for(int i=1; i<=Z; i++) X[Z+i] = ((dp[0][i] >= 5) ? 1 : 0);
  rep(i,Z*2) X[i+1] += X[i];

  int T; cin >> T;
  while(T--){
    int p,l,r; cin >> p >> l >> r; l--;
    l -= p; r -= p;
    int ans = X[r+Z] - X[l+Z];
    cout << ans << "\n";
  }
  return 0;
}

struct ios_do_not_sync{
  ios_do_not_sync(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
  }
} ios_do_not_sync_inst;