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

+ The only emirp less than a googol that can be represented as the product of a repdigit number consisting of 5's and all its truncations minus 2, i.e., 555*55*5-2. Note that there is another such prime only, less than a googol, with the same property. [Loungrides]




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