Several people and organizations have completed many factorizations, all important. The most welcome one from Paul Leyland's point of view, though, has to be that of 2,951-.C290 which has been the Most Wanted Number for over ten years. It was the last virgin (i.e. no known prime factors) in the base 2 tables. The factorization into p63 * p227 was found by yoyo@home on the 16th.
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