With endless stretches of gorgeous beach, hot weather and sizzling BBQs, the chant of "Aussie Aussie Aussie, Oi Oi Oi" heard at Australian sporting events. Likewise Primegrid will be celebrating the Summer Solstice by running a 10 day challenge with all the GFN projects where a prime is yet to be found; 21, 22 and DYFL. The Challenge will run from December 12th 04:19:00 UTC until December 22nd 04:19:00 UTC.
More information coming soon!
Until then, here's the links to 2019's completed challenges:
Conjunction of Venus & Jupiter Challenge
Year of the Pig Challenge
Hans Ivar Riesel's 90th Birthday Challenge
50th Anniversary of the Moon Landing Challenge
Lennart Vogel Honorary Challenge
World Maths Day Challenge
50 years First ARPANET Connection Challenge
Transit of Mercury Across the Sun Challenge