class Prime {
    public void checkPrime(Integer... checks) {
        List<Integer> in = Arrays.stream(checks)
                .filter(i -> i != 1)
                .filter(check -> IntStream.range(2, check)
                        .filter(c -> (check % c) == 0)
                        .boxed().count() == 0)
                .collect(Collectors.toList());
        System.out.println(in.stream().map(String::valueOf).collect(Collectors.joining(" ")));
    }
}