Do Prime Numbers occur in patterns? Ulam's Spiral lists all numbers in a spiral then draws dots at the positions of all prime numbers. Hold <Shift> key + click "Green Flag" for Turbo Mode. Click the screen to draw the spiral.
See Ulam Spiral on Wikipedia for more info: https://en.wikipedia.org/wiki/Ulam_spiral#:~:text=The%20Ulam%20spiral%20or%20prime,American%20a%20short%20time%20later.
