please help with this Java question!

package math.problems; public class PrimeNumber { DD public static void main(String[] args) { /* * Find List of Prime numbers from number 2 to 1 million. * Try the best solution as possible.Which will take less CPU life cycle. * Out put number of Prime numbers on the given range. * Use any databases(MongoDB, Oracle, MySql) to store data and retrieve data. 3 * 6 e }