<div>Let's work through an example where <span class="ltx_Math" contenteditable="false" data-equation="N\equiv3">\(N\equiv3\)</span> (mod <span class="ltx_Math" contenteditable="false" data-equation="14">\(14\)</span>) and <span class="ltx_Math" contenteditable="false" data-equation="N\equiv7">\(N\equiv7\)</span> (mod <span class="ltx_Math" contenteditable="false" data-equation="19">\(19\)</span>).<br></div>