Erdős problem 418 · problems.science

Are there infinitely many integers not of the form $n - \phi(n)$ ?

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Technical detailsExact roots, source, and retained record identifiers

Problem row: sha256:ef43a7ff51e5ba1c28891b62f05ebc5cb6d7db402bddcebfee6642b0497899a7
Metadata: sha256:2f679badcfe255a6bcdbb1858aba42ed22754e361722105cef5b0bf11dcbcc8f
Observation: sha256:8c823d621b7e1256c8e47c60a5f1c54c016a5507e6f27b2bab537f6f5f232067
Content: sha256:d74f1f0850acb5875c445cd23d2f1c37e0a35d3336d9511c7032aa0dbe3b0a99

Repository: sha256:a956b84c437202e5a02cc9e036a621bd14a302b34a75758115730bdbb77c52a4
Projection: sha256:c9d14c459c518937e758918b5897dc3b22f1a55f07739afe99502f5b046c907a
Source commit: 2415f78e850aeee50afdca525c6f2e0ea606f207