Calculate primes in c++

// Math stuff.cpp : Defines the entry point for the console application.
//

#include "stdafx.h" //Include this only with visual studio!
#include <stdlib.h>
#include <Windows.h>
int globalarray[1024] = { 2, 3, 5, 7, 11, 13 };
int primalitycheck(int number){
    int i = 0,temp;
    do
    {
        if (!globalarray[i] || number ==globalarray[i]) return 1; //isprime
        temp = number%globalarray[i];
        i++;
    } while (temp != 0);
    return 0; //notprime
}
void AddIfNew(int* tArray, int element, int size){
    for (int i = 0; i < size; i++){
        if ((tArray[i] != 0) && (tArray[i] != element)){
            NULL;
        }
        else{

            if (element!=1) tArray[i] = element;
            break;
        }
    }
}
int _tmain(int argc, _TCHAR* argv[])
{
    LARGE_INTEGER t, b, f;
    int multiplier = 1000;
    QueryPerformanceCounter(&t);
    QueryPerformanceFrequency(&f);
    AddIfNew(globalarray, 17, 1024);

    for (int i = 1; i < 1000000; i= i +2){
        if (primalitycheck(i)){
            AddIfNew(globalarray, i, 1024);
            printf("%d\n", i);
        }
    }
    QueryPerformanceCounter(&b);
    double took = (double)(b.QuadPart - t.QuadPart);
    printf("\ntook: %.0Lf milliseconds\n",took/f.QuadPart*multiplier );
    system("PAUSE>NUL");
    return 0;
}