private async void OnProcessCommand()
{
CachedNumbers.AddIfNotExists(NumberString);
Result = null;
IsRunning = true;
stopwatch = Stopwatch.StartNew();
Result = await factorizationController.ProcessAsync(BigInteger.Parse(NumberString),
SelectedProcessorCount.GetValueOrDefault());
stopwatch.Stop();
TimeElapsed = stopwatch.Elapsed;
IsRunning = false;
}
