Enigma Number 1731
Power play In the following, "^" means is raised to the power of, so 6^2 = 36. When ((2^3)^4)^5, 2^((3^4)^5) and 2^(3^(4^5)) are each divided by 13, the remainders are respectively p, q and r. What is the absolute difference between (p+q)^r and r^(p+q)? WIN £15 will be awarded to the sender of the first …