180 Days of Ideas for Discussion in Math Class. (as of 9July2014, we're in overtime!)

If they are evenly spaced, this number is close to the cube of the middle prime. 10 cubed is 1000, 20 cubed is 8000. So we need to find three primes between 10 and 20. Yes, guess and check is now the way to go.

If they are evenly spaced, this number is close to the cube of the middle prime. 10 cubed is 1000, 20 cubed is 8000. So we need to find three primes between 10 and 20. Yes, guess and check is now the way to go.

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