From 2e5affa0058a1bc9c2bf5395991dfa3cd300fa38 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Lema=C5=84czyk?= <marek@lemanczyk.eu>
Date: Wed, 10 Sep 2025 02:18:51 +0200
Subject: [PATCH] 2nd phase filtering restored.

---
 PerfectNumbers.Core/MersenneNumberTester.cs | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/PerfectNumbers.Core/MersenneNumberTester.cs b/PerfectNumbers.Core/MersenneNumberTester.cs
index 765cb69..461e7ed 100644
--- a/PerfectNumbers.Core/MersenneNumberTester.cs
+++ b/PerfectNumbers.Core/MersenneNumberTester.cs
@@ -232,12 +232,10 @@ public sealed class MersenneNumberTester(
 				_residueCpuTester!.Scan(exponent, twoP, lastIsSeven, maxK, ref prePrime);
 			}
 
-			return prePrime;
-
-			// if (!prePrime)
-			// {
-			// 	return false;
-			// }
+			if (!prePrime)
+			{
+				return false;
+			}
 		}
 
 		if (!_useIncremental)