Erdős Problem 370 #
Reference: erdosproblems.com/370
Are there infinitely many $n$ such that the largest prime factor of $n$ is $< n^{\frac{1}{2}}$ and the largest prime factor of $n + 1$ is $< (n + 1)^{\frac{1}{2}}$.
Steinerberger has pointed out this problem has a trivial solution.