JSFiddle - React, Tailwind, and code Playground

HTML

<input type="number" id="number" placeholder="Value">
<input type="divison" id="divider" placeholder="Divider">
<button id="submit" onclick="validate()">Submit</button>
<div id="output"></div>

CSS

div {
  margin-top: 10px;
}

JavaScript

function validate() {
	var number = document.getElementById('number').value;
  var divider = document.getElementById('divider').value;
  
  while(number % divider !== 0) {
  	number++;
  }
  
  document.getElementById('output').innerHTML = number + " is dividable by " + divider;
}