#include #include #include #include #include using namespace std; int main() { /* Enter your code here. Read input from STDIN. Print output to STDOUT */ int N; cin>>N; int a[1000003]={0}; for(int i=2;i*i<=1000003;i++) { int j=2*i; while(j<1000003) { a[j]=1; j+=i; } } while(N--) { int q; cin>>q; int c=0; for(int i=2;i<=q;i++) if(a[i]==0) //cout<