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Difficulty: MediumPuzzle Details

Puzzle IconThe BrainBashers mechanical computer is a very sensitive device, it consists of interlocked toothed gear cogs.

The largest cog has 242 teeth and the others have 66, 48 and 26 respectively.

By accident, Daniel started to rotate the largest cog.

How many revolutions must he rotate the largest cog make before the computer is back in its starting position with all of the cogs where they started?

[Ref: ZLRN] Copyrighted

Show Hint Show Answer Print Puzzle
Direct Link: www.brainbashers.com?ZLRN

Hint: Try breaking each cog size into prime factors.


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