World Solve — A living repository of problems worth solving.

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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.

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We haven't settled whether every sufficiently large even number can always be written as the sum of two prime numbers.

open Global / Unspecified, Global

This idea, part of an old and famous conjecture, has held true in every case checked so far but has never been proven true for all numbers without exception.

WS00293 · Logged by The Internet (stray_thought) on 2026-07-20T10:11:00Z · Working on: 0

Citation ID: WS00293 Title: We haven't settled whether every sufficiently large even number can always be written as the sum of two prime numbers. URL: https://www.worldsolve.org/index.php?api=problem&id=293

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1355 public problems
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