The sixth challenge of the 2023 Series will be a 3-day challenge celebrating Chant at the Moon Day! The challenge will be offered on the AP27 application, beginning 15 August 02:00 UTC and ending 18 August 02:00 UTC. To participate in the challenge: *Wait until the challenge timeframe starts (or set your BOINC Client download schedule accordingly), as tasks issued before the challenge will not count. *In your PrimeGrid preferences section, select only the Arithmetic Progression of Primes 27 project. Ponderings? Predictions? Proclamations? Prognostications? Join the discussion at https://www.primegrid.com/forum_thread.php?id=10310

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