Field Detail

• max

  private int max

  The maximum number to search to.

• sum

  private long sum

  The sum of found primes.

• sieve

  private Sieve sieve

  The storage for the "Sieve of Eratosthenes".

  See Also:

  Sieve

Constructor Detail

• PE0010

  public PE0010()

  A simple constructor to set number and title.

Method Detail

• prepare

  public void prepare()

  Initializes the sieve with number from 0 to max.

  Specified by:

  prepare in interface Solvable

  Overrides:

  prepare in class Problem

  See Also:

  Sieve.Sieve(int)

• solve

  public String solve()

  Runs the algorithm of the "Sieve of Eratosthenes" and sums up every found prime factor.

  Returns:

  the sum of all primes below max

  See Also:

  Sieve.next(), Sieve of Eratosthenes @ Wikipedia