starting today, Riesel Sieve is offering a US$100 prize to the next person who finds a prime for the project, and US$50 to everyone who finds another prime for the project in the 30 days after the next prime is found. See the project website for additional information and rules.
发表于 2005-9-24 21:46:36
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发表于 2005-9-24 22:07:23