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(just those submitted by Merickel)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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+ The 61 1st-move pairs in chess yielding the minimum 19 2nd-move options for White are the symmetrical double advances of King-Bishop Pawns and all 20 responses with either that pawn's or either Rook Pawn's single advance. [Merickel]

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