Update README.

markrogoyski · markrogoyski · commit 5963799324d8 · 2024-04-15T22:06:58.000-07:00
diff --git a/README.md b/README.md
@@ -865,7 +865,8 @@ use MathPHP\NumberTheory\Integer;
 
 $n = 225;
 
-// Prime factorization
+// Prime numbers
+$bool    = Integer::isPrime($n);
 $factors = Integer::primeFactorization($n);
 
 // Divisor function
