The eighth challenge of the 2022 Series will be a 10-day challenge celebrating the 1884 international agreement to standardize the official 0° longitude -- AKA the Prime Meridian! The challenge will be offered on the CUL-LLR and WOO-LLR applications, beginning 01 November 05:00 UTC and ending 11 November 05:00 UTC.
To participate in the Challenge, please select only the Cullen Prime Search (LLR) and Woodall Prime Search (LLR) projects in your PrimeGrid preferences section.
Dilemmas? Dramas? Diversions? Drollery? Join the discussion at https://www.primegrid.com/forum_thread.php?id=10024&nowrap=true#157550