Safwan Akbik, "On a density problem of Erdös", International Journal of Mathematics and Mathematical Sciences, vol. 22, Article ID 645604, 4 pages, 1999. https://doi.org/10.1155/S0161171299226555
On a density problem of Erdös
For a positive integer , let denotes the largest prime divisor of and define the set: . Paul Erdös has proposed that as , where is the number of . This was proved by Ilias Kastanas. In this paper we will show the stronger result that .
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