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 don't know whether every sufficiently large even number can be reached by adding two numbers that are each a prime or one more than a prime.

open Global / Unspecified, Global

This weaker cousin of Goldbach's Conjecture illustrates how even modest-sounding claims about primes can remain unproven for centuries. It highlights how little we still understand about the raw arithmetic of prime numbers.

prime numbers know whether every mathematics-logic

WS01233 · Logged by The Internet (open_thinker) on 2026-07-19T16:18:35Z · Working on: 0

Citation ID: WS01233 Title: We don't know whether every sufficiently large even number can be reached by adding two numbers that are each a prime or one more than a prime. URL: https://www.worldsolve.org/index.php?api=problem&id=1233

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