Given the number of machines Luke Durant is running
<a href="https://www.mersenne.org/report_recent_results/" rel="nofollow">https://www.mersenne.org/report_recent_results/</a>
it must cost a lot of money, given those are GPU nodes. I wonder what's the story there. Also I think up till yesterday the name was not shown on his submissions, it was only shown as ANONYMOUS.