diff --git a/05-isPrime/index.js b/05-isPrime/index.js
index ec9c4ac..03e80d4 100644
--- a/05-isPrime/index.js
+++ b/05-isPrime/index.js
@@ -1,4 +1,18 @@
 export function isPrime(value) {
   // implementar logica aqui
-  
+  let TotalDeivisores = 0;
+  for (let i = 1; i <= value; i++) {
+    if (value % i == 0)  {
+      TotalDeivisores++
+    }
+  }
+  if (TotalDeivisores == 2){
+    return true;
+  } else return false;
+  if (value === 2){
+    return true;
+  }
+  if (value === 1){
+    return false;
+  }
 }
\ No newline at end of file