The Professor's Cube is a 5x5x5 verion of the original Rubik's Cube. The first version of this puzzle was invented in 1986 by Udo Krell, who took a 3x3x3 cube and expanded it.

As with the Rubik's Revenge (4x4x4), the most common algorithm for solving this 5x5x5 cube is called the "reduction" method. Focusing on solving the 3x3 center pieces and 3x1 edge pieces first - thus "reducing" the problem to a 3x3x3 puzzle, which can be solved using a regular Rubik's cube solving algorithm. This puzzle has only one parity case.

This puzzle has many moving parts thus allowing a huge number of possible permutations. The number of possible permutations of the 5x5x5 Cube is just under 2.83x10⁷⁴. The Current world record for solving it is 34.92 seconds, and it was set by Max Park from the USA at the Houston Winter 2020 competition.

Comments 10

Nick

With the 2x2 solver I can use it to solve a 2x2 cube in real life! This app is amazing.

Luis

I know how to solve a 2x2 3x3 4x4 5x5 6x6 and even 7x7s.

mason

this is so cool ive tried like all of the Rubik cubes i love doing checkers

elizapeel

lt's so hard

Luis

My record is 8 minutes and 0.27 seconds.

Luis

I know how to solve it. :)

Elodie

Wow soooo cool, now I don’t need to get my own cube!!

Jeff

AMAZING

Isitha Damnindu Mendis

This is very helpful, thank you

Elliot

This puzzle is a masterpiece!

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