//
// ViewController.swift
// test
//
// Created by Maribel Aristy on 12/19/17.
// Copyright © 2017 Maribel Aristy. All rights reserved.
//
import UIKit
class ViewController: UIViewController {
@IBOutlet var numberTextField: UITextField!
@IBAction func isItPrime(_ sender: AnyObject) {
if let userEnteredString = numberTextField.text {
let userEnteredInteger = Int(userEnteredString)
if let number = userEnteredInteger {
var isItPrime = true
if number == 1 {
isItPrime = false
}
var a = 2
while a < number {
if number % a == 0 {
isItPrime = false
}
a += 1
}
if isItPrime {
resultLabel.text = "\(number) is prime."
} else {
resultLabel.text = "\(number) is not prime."
}
} else {
resultLabel.text = "Please enter a positive whole number"
}
}
}
@IBOutlet weak var resultLabel: UILabel!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
Happy coding! :)
