The book is now available! 66089
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The smallest invertible Cyclops prime with circular digits. [Punches]

+ prime(6608-9) = 66089. It is the largest prime with this property. [Firoozbakht]



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