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]);
}
}
