Esempi in C# (CSharp) per PrimeCalculator.CalculatePrimesInSpan

Esempio n. 1

        public static int CalculateSmallestMultiple(int lowerBoundary, int upperBoundary)
        {
            List <int> primesInBoundary = PrimeCalculator.CalculatePrimesInSpan(lowerBoundary, upperBoundary + 1);

            int sqrtUpperBoundary = (int)Math.Sqrt(upperBoundary);
            int answer            = 1;

            foreach (int prime in primesInBoundary)
            {
                if (prime <= sqrtUpperBoundary)
                {
                    answer *= (int)Math.Pow(prime, (int)(Math.Log(upperBoundary) / Math.Log(prime)));
                }
                else
                {
                    answer *= prime;
                }
            }

            return(answer);
        }