Reddit reviews Prime Numbers and the Riemann Hypothesis

\> Also, don't use an online compiler. Services like Overleaf and CoCalc can be great for small projects

I wrote CoCalc's LaTeX editor initially for working collaboratively on this book. The critical value was realtime collaboration... but you're right that there is extra trouble for large documents. Unlike Overleaf, at least we made it so CoCalc gives you a full xterm shell, so you can run arbitrary scripts, install packages, etc., ssh into your project.