Erdős Problem #413 — Let count the number of distinct primes dividing . Are there infinitely many such that, for all , we have ?
Let count the number of distinct primes dividing . Are there infinitely many such that, for all , we have ? Can one show that there exists an such that there are infinitely many where for all ?
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UnsolvedMath, Erdős Problems set, ULAM AI, licensed CC BY 4.0.
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