The book is now available! 2311
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The 23rd of November is the only date which can be read as a prime in both formats: 'day-month' and 'month-day'. [Kik]

+ The last primorial prime (p# + 1) in which its square root is less than p^2, i.e., 2311^(1/2) ~ 48 < 121 = 11^2. [Nicholson]

+ The concatenation of the first three prime Ulam numbers (2,3,11) is a prime. [Gupta]

+ The largest member in a set of twin primes generated by the formula 30(n*(n+5)/2)+60 +1 and -1, for N = 0 to 10. [Homewood]

(There are 3 curios for this number that have not yet been approved by an editor.)

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