<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\02032";
}
</style>
</head>
<body>
<p>Prime using Hexa Decimal: ′</p>
<p>Prime using HTML Code: ′</p>
<p>Prime using HTML Entity: ′</p>
<p id="point">Prime using CSS Entity: </p>
</body>
</html>