Remove extra if statement.
diff --git a/commons-numbers-primes/src/main/java/org/apache/commons/numbers/primes/Primes.java b/commons-numbers-primes/src/main/java/org/apache/commons/numbers/primes/Primes.java
index b135f4b..860678d 100644
--- a/commons-numbers-primes/src/main/java/org/apache/commons/numbers/primes/Primes.java
+++ b/commons-numbers-primes/src/main/java/org/apache/commons/numbers/primes/Primes.java
@@ -70,13 +70,10 @@
         if (n < 0) {
             throw new IllegalArgumentException(MessageFormat.format(NUMBER_TOO_SMALL, n, 0));
         }
-        if (n == 2) {
+        if (n <= 2) {
             return 2;
         }
         n |= 1; // make sure n is odd
-        if (n == 1) {
-            return 2;
-        }
 
         if (isPrime(n)) {
             return n;