The book is now available! 716
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The digits of 716 can be rearranged (180 degree rotations permitted) to form a prime number that divides it. [Honaker]

+ The number of three-digit numbers that contain at least one prime digit (2,3,5, or 7). [Doyle]




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