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We haven't proven whether there are infinitely many twin prime numbers.

open Global / Unspecified, Global

Twin primes are pairs of prime numbers that differ by only two, and mathematicians strongly suspect there are infinitely many, but nobody has proven it. This remains one of number theory's oldest open questions.

WS00291 · Logged by The Internet (stray_thought) on 2026-07-20T09:57:00Z · Working on: 0

Citation ID: WS00291 Title: We haven't proven whether there are infinitely many twin prime numbers. URL: https://worldsolve.org/index.php?api=problem&id=291

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