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

Just showing those entries submitted by 'Capelle': (Click here to show all)

+ The smallest Smith number that is prime when reversed (661), turned upside down (991), and reversed-then-turned upside down (199). You get the next case by inserting a zero between the digits (10606). [Capelle]




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