What magic does the number 24 have? Click the Green Flag and you will be asked for a Prime Number 5 or greater. This Project tests your number to see if it is Prime. Question: Does the square of any prime number (greater than 5) minus one have 24 as a factor?
Inspiration from Sunil Singh's book Chasing Rabbits: A Curious Gide to a Lifetime of Mathematical Wellness Page 4-5 Here is the first project I did. It doesn't have the Prime Number test https://scratch.mit.edu/projects/669201519/