/// <summary>
/// A list of prime numbers.
/// Given a range of integers by its lower and upper limit, construct a list of all prime numbers in that range.
/// </summary>
/// <param name="fromRange"></param>
/// <param name="toRange"></param>
/// <returns></returns>
public static List <int> _2_04(int fromRange, int toRange)
{
return(Lists._1_22(fromRange, toRange).Where(_2_01).ToList());
}
/// <summary>
/// Determine the prime factors of a given positive integer (2).
/// Construct a list containing the prime factors and their multiplicity. The solution of problem 1.10 may be helpful.
/// </summary>
/// <param name="number"></param>
/// <returns></returns>
public static List <(int, int)> _2_03(int number)
{
return(Lists._1_10(_2_02(number)));
}
