Tasks will now save calculations progress and resume calculation upon restart.

EvenPerfectBitScanner/Program.cs

@@ -1,5 +1,6 @@
 using System.Buffers;
 using System.Diagnostics;
+using System.Globalization;
 using System.Runtime.CompilerServices;
 using EvenPerfectBitScanner.Candidates;
 using EvenPerfectBitScanner.IO;
@@ -124,6 +125,8 @@ internal static class Program
 				return;
 			}
 
+			Directory.CreateDirectory(PerfectNumberConstants.ByDivisorStateDirectory);
+
 
 			MersenneDivisorCycles mersenneDivisorCycles = new();
 			if (!File.Exists(cyclesPath) || continueCyclesGeneration)