public long GetEightDivisorFactorsUpto(long upto)
{
long result = 0;
List <long> eightDivisors = new List <long>();
for (int i = 1; i < upto; i++)
{
var number = i;
int divisorCount = _factors.GetFactorCount(number);
//if (eightDivisors.Any(n => number % n == 0)) continue;
if (divisorCount == FACTOR_COUNT)
{
result++;
eightDivisors.Add(number);
//numbers.RemoveAll(n => n % number == 0 && n > number);
}
}
return(result);
}
public int GetEightDivisorFactorsUpto(int upto)
{
int result = 0;
List <int> numbers = Enumerable.Range(1, upto).ToList();
List <int> eightDivisors = new List <int>();
for (int i = 0; i < numbers.Count; i++)
{
var number = numbers[i];
int divisorCount = _factors.GetFactorCount(number);
//if (eightDivisors.Any(n => number % n == 0)) continue;
if (divisorCount == FACTOR_COUNT)
{
result++;
eightDivisors.Add(number);
//numbers.RemoveAll(n => n % number == 0 && n > number);
}
}
return(result);
}
// http://stackoverflow.com/a/4549500/4035
public int GetFactorCount(double numberToCheck)
{
return(_factors.GetFactorCount(numberToCheck));
}
