The book is now available! 1447
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ Earliest case whereby a prime p divides the concatenation of prevprm(p), (p) and nextprm(p) or 143914471451 which is equal to 1447 * 99457133. [De Geest]

+ The smallest straight-digit prime that contains each of the straight digits (1, 4, and 7). [Gupta]

+ The smallest prime that is pandigital in Roman numerals, i.e., using each of the symbols I, V, X, L, C, D, and M at least once. [Post]

+ The very first literary work (titled "Yongbi och'on ka") to have used the present Korean alphabet was written in 1447. Reference: Cho D.I., Bouchez D. (2002) Histoire de la littérature coréenne. Fayard, p. 154. [Olry]

+ The number of delegates required by GOP rules to vote for Trump at the convention.

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