What’s interesting is, any number divided by 23 ends up having a repeating 22-digit long string. So that long division would take a long time until you find a repeating remainder that you used previously.
I do a lot of woodworking and the amount of high school math I use frequently is astonishing. But agreed a small percentage of people likely ever have the need.
It looks like a “hemp” leaf on his shirt, too :-)