Given the number of machines Luke Durant is running https://www.mersenne.org/report_recent_results/ https://www.mersenne.org/report_recent_results/ it must cos

Given the number of machines Luke Durant is running https://www.mersenne.org/report_recent_results/ https://www.mersenne.org/report_recent_results/ 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.