The book is now available! 3779
(another Prime Pages' Curiosity)
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+ 3779 divides nine previous consecutive concatenated composite numbers, i.e., 3770 3771 3772 3773 3774 3775 3776 3777 3778. Note that 3779 is also a Circular prime. [De Geest]

+ (3779, 7937) is the only pair of primes formed by concatenating in order and reverse order two double-digit emirps. [Loungrides]




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