[Make] the challengues

PULL_REQUEST_TEMPLATE.md

@@ -1,10 +1,11 @@
 ## DESCRIPTION
 
-Nombre:
-Usuario Platzi:
+Nombre: Francisco Javier Solis Martinez
+
+Usuario Platzi: FranciscoSolis
 
 ## Reto:
 
-- [ ] Primer problema
-- [ ] Segundo problema
-- [ ] Tercer problema
+- [✅] Primer problema
+- [✅] Segundo problema
+- [✅] Tercer problema

src/factorial.js

@@ -1,5 +1,11 @@
 const factorial = (number) => {
   // your code here
+  let factorial = 1;
+  while (number > 0) {
+    factorial *= number;
+    number -= 1;
+  }
+  return factorial;
 }
 
-module.exports = factorial;
+module.exports = factorial;

src/fibonacci.js

@@ -1,5 +1,14 @@
 const fibonacci = (n) => {
   // your code here
+  const fiboList = [];
+  for (let i = 0; i < n; i += 1) {
+    if (i < 2) {
+      fiboList.push(1);
+      continue;
+    }
+    fiboList.push(fiboList[fiboList.length - 1] + fiboList[fiboList.length - 2]);
+  }
+  return fiboList;
 }
 
-module.exports = fibonacci;
+module.exports = fibonacci;

src/primalidad.js

@@ -1,5 +1,10 @@
 const trialDivision = (number) => {
   // your code here
+  if (number < 2 || number % 1) return false;
+  for (let i = 2; i < number; i += 1) {
+    if (!(number % i)) return false;
+  }
+  return true;
 }
 
-module.exports = trialDivision;
+module.exports = trialDivision;