static BigInteger factCount(BigInteger closest, int closestInt, int x){
        System.out.println("CLOSEST = " +closest + "CLOSESTINT=" +closestInt + "X=" + x);
        BigInteger v = new BigInteger("" + closest);
        System.out.println("V="+v);
        System.out.println("CZAS LICZYC");
        for (int i = closestInt+1; i < x+1; i++) {
            v = v.multiply(new BigInteger("" + i));
            System.out.println("" + v);
        }
        return v;
    }