The book is now available! 47867...11079 (26-digits)
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                478677 4223206688 0047611079
+ F. Cohen and J. L. Selfridge [CS1975] observed that the above prime number plus or minus a power of 2 can never be a prime power.

+ Zhi-Wei Sun [Sun2000] extended the work of Cohen and Selfridge slightly to show that none of the numbers 47867742232066880047611079 + 66483084961588510124010691590k can be written as a sum or difference of two prime powers. [Caldwell]

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