Challenge 91: The Last Three Digits of a Phi-Exponent Tower
- Published on May 2, 2019
- Congratulations to Juju Mas, Jonathan Liu, driudwaker, Emmett Nelson, Bigg Barbarian, Richard Chen, Mokou Fujiwara, and Serengeti Ghasa for successfully solving the last week's math challenge question! Juju Mas was the first person to solve the question.
Welcome, everyone! LetsSolveMathProblems presents one weekly math challenge problem every Wednesday (continental U.S. time). To participate, please comment your proposed answer and explanation below (or discuss potential solutions with other viewers), keeping in mind that your comment should be left unedited to win the recognition prize. Up to the first ten people with correct solutions are recognized in the next challenge video. The solution to a challenge problem is posted as a separate video the following Wednesday.
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