World Solve — A living repository of problems worth solving.

What World Solve is

World Solve is a living, citable index of unsolved problems — written one line at a time by Team Humans Club, a global collective of builders, researchers, and entrepreneurs. We do not solve the problems here. We Democratize Innovation.

For buildersSkip the search for a problem worth your time. Browse a vetted, growing list and start where the gap is real.

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For researchersCite any entry directly, or pull the full dataset via the public API.

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3registered Humans

We haven't solved whether every even number greater than two is the sum of two primes.

open Mathematics & Logic

Known as Goldbach's Conjecture, this simple-sounding statement has been checked for enormous numbers without exception, but never formally proven true for all numbers. It remains one of the oldest unsolved problems in mathematics.

WS00135 · cite this · logged 18 Jul 2026 · by Human 000 (Administrator)

Team Humans Club. (2026). Problem WS00135: We haven't solved whether every even number greater than two is the sum of two primes.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=135

Public API

Pull the dataset programmatically:

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How to cite

Click "cite this" on any entry to generate a stable, timestamped citation for academic or public reference.