From 737e53beede2b7250607e7a868bed3a8b192eebd Mon Sep 17 00:00:00 2001
From: Tiza59 <uwefalck@mac.com>
Date: Thu, 17 Mar 2022 19:55:05 +0100
Subject: [PATCH] Fix case, that 1 is prime

---
 Miller-Rabin Primality Test/MRPrimality.swift | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Miller-Rabin Primality Test/MRPrimality.swift b/Miller-Rabin Primality Test/MRPrimality.swift
index 24b9c674c..a82bfa366 100644
--- a/Miller-Rabin Primality Test/MRPrimality.swift	
+++ b/Miller-Rabin Primality Test/MRPrimality.swift	
@@ -26,9 +26,8 @@ enum MillerRabinError: Error {
 */
 func checkWithMillerRabin(_ n: UInt, accuracy k: UInt = 1) throws -> Bool {
     guard k > 0 else { throw MillerRabinError.primeLowAccuracy }
-    guard n > 0 else { throw MillerRabinError.primeLowerBorder }
-    guard n > 3 else { return true }
-
+    if n <= 3 return n >= 2
+    
     // return false for all even numbers bigger than 2
     if n % 2 == 0 {
         return false