Problem Three: A Prime Cube
Oct 19th, 2006 by tony
How do you place the digits 0~7 on the corners of a cube such that the sums of all sets of two numbers sharing a common edge are prime?
Update: Solutions are posted!
Oct 19th, 2006 by tony
How do you place the digits 0~7 on the corners of a cube such that the sums of all sets of two numbers sharing a common edge are prime?
Update: Solutions are posted!