#include <stdio.h> #include<iostream> #include<math.h> using namespace std; int primes[]={2,3 ,5, 7, 11, 13, 17, 19, 23 ,29 ,31 ,37, 41, 43, 47 ,53 ,59 ,61, 67, 71, 73, 79, 83, 89, 97 ,101, 103, 107, 109, 113, 127 ,131, 137, 139, 149, 151 ,157 ,163,...