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Let count the number of distinct prime factors of . What is the size of the largest interval such that for all ?
Source: erdosproblems.com/452
No claim settles this problem.
Open, the site's label (page last edited 28 October 2025). One
pending partial claim,
White's weighted-sieve upper bound,
bounds the longest run from above without determining its size, so the
derived standing is open with no full claim.