On values taken by the largest prime factor of shifted primes (II)

Abstract

Denote by ℙ the set of all primes and by P(n) the largest prime factor of integer n ≥ 1 with the convention P(1) = 1. Let η0 ≈ 2.1426 be the unique positive solution of the equation η − 1 − 4ηlog(η...