Initial commit.

PerfectNumbers.Core/PerfectNumberConstants.cs

@@ -0,0 +1,11 @@
+namespace PerfectNumbers.Core;
+
+public static class PerfectNumberConstants
+{
+	public const ulong BiggestKnownEvenPerfectP = 136279841UL;
+	public static readonly ulong PrimesLimit = 1_000_000; //(ulong)Array.MaxLength;// 1_000_000;
+
+	// Maximum K for residue-based Mersenne test (q = 2*p*k + 1 up to this k)
+	public static readonly UInt128 ResidueMaxK = 5_000_000UL;
+    public const int MaxQForDivisorCycles = 4_000_000;
+}