statement.html

problem 41 · 4 lines

<div class="problem_content" role="problem">
<p>We shall say that an $n$-digit number is pandigital if it makes use of all the digits $1$ to $n$ exactly once. For example, $2143$ is a $4$-digit pandigital and is also prime.</p>
<p>What is the largest $n$-digit pandigital prime that exists?</p>
</div>