public static void Main(string[] args) { PrimesList primes = new PrimesSieve(110000); // The 10001st prime is at index 10000 in the list. Console.Out.WriteLine("10001st prime: {0}", primes[10000]); Console.Write("Press any key to continue . . . "); Console.ReadKey(true); }
public static void Main(string[] args) { long answer = 0; PrimesList primes = new PrimesSieve(2000000); foreach (int p in primes) { answer += p; } Console.Out.WriteLine("Answer: {0}", answer); Console.Write("Press any key to continue . . . "); Console.ReadKey(true); }
public static void Main(string[] args) { // The first 10,000 primes PrimesSieve primes = new PrimesSieve(104729); List<int> primeFactors = new List<int>(); List<int>.Enumerator p = primes.GetEnumerator(); long n = 600851475143; while (n != 1) { p.MoveNext(); while (n%p.Current == 0 && n != 1) { primeFactors.Add(p.Current); n /= p.Current; } } Console.Out.WriteLine("Answer: {0}", primeFactors[primeFactors.Count - 1]); Console.Out.WriteLine("Press any key to continue . . . "); Console.In.ReadLine(); }
public void TestFirst100() { PrimesSieve primes = new PrimesSieve(541); for (int i = 0; i < 100; i++) { Assert.AreEqual(small_primes[i], primes[i]); } }