5x5x5 Professor's Cube

The 5x5x5 Rubik's Cube, or Professor's Cube, is the 5x5x5 version of the original Rubik's Cube. This cube has over 283 trevigintillion ($${2.83*10^{74}}$$) possible permutations. It was invented by Udo Krell in 1981 and manufactured and sold in Hong Kong by Uwe Mèffert in 1983. Additionally, the 5x5x5 is the 7th most competed in WCA event, having over 20,000 people who have competed in this event.