The book is now available! 89999...32213 (47-digits)
(another Prime Pages' Curiosity)
Prime Curios!
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                         8999999 9998888888 8777777766 6666555554 4443332213
+ The larger of only two primes formed by inserting between the digits of a double-digit prime, i.e., 83, the concatenation in reverse order of all the rep-digit numbers made up by using d times each digit d. [Loungrides]
