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Erdős problem / erdos

no open offer

Problem 7

Exact records and bounded producer offers matched to this problem.

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  1. vf_f4d73b74bc27c394

    theoretical

    Erdős Problem #7 [status: verifiable; formalized: yes]. Is there a covering system all of whose moduli are odd? Prize: no. Tags: covering systems, number theory.

    recordedOpen record