We don't have a general formula predicting exactly how many prime numbers exist below any given number.
open
Global / Unspecified, Global
We have very good approximations, but no exact formula exists that perfectly predicts the count of primes below a chosen number. Improving this approximation remains an active and important area of research.
Citation ID: WS00294
Title: We don't have a general formula predicting exactly how many prime numbers exist below any given number.
URL: https://worldsolve.org/index.php?api=problem&id=294