PrimeGrid's 2011 Challenge Series is final. Another incredible year of growth and competition...so much so that the servers were stressed again on a few Challenges. A tremendous about of work was accomplished leading to some pretty special primes found this year. Congratulations to Sicituradastra. as the top team and Snf* as the top individual. They are the winners of PrimeGrid's 2011 Challenge Series. For complete, extended rankings please see: Individuals | Teams As always, thank you for your help and support. We continue to be humbled by your participation. None of this is possible without YOU! :) Have a safe and happy Holiday season. See you next year for PrimeGrid's 2011 Challenge Series!
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