public void Factor()
{
List <int> liFactors;
liFactors = new List <int>(new int[] { 2, 5 });
Assert.IsTrue(liFactors.EachItemEqual(Atkin.Factors(10)));
liFactors = new List <int>(new int[] { 5 });
Assert.IsTrue(liFactors.EachItemEqual(Atkin.Factors(5)));
liFactors = new List <int>(new int[] { 71, 839, 1471, 6857 });
Assert.IsTrue(liFactors.EachItemEqual(Atkin.Factors(600851475143)));
}