1. Type the amount of numbers you are going to compare (2~5 only) 2. Type the numbers that you are going to compare 3. Get the HCF! !!Warning: don't enter numbers more than 9 digits or you'll need to wait for over a minute!!
I was proud that i can do it in so few blocks less than my LCM calculator but one more slot btw go check it out https://scratch.mit.edu/projects/665153501/