The book is now available! 3137
(another Prime Pages' Curiosity)
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+ Delete any digit of 3137 and it will remain prime. [Blanchette]

+ The smallest four-digit prime that is comprised of two consecutive primes concatenated. [Patterson]

+ The only four-digit prime formed from consecutive emirps. [Silva]

+ The smallest Honaker prime formed by concatenating two consecutive primes (emirps). [Loungrides]

+ The largest prime such that each substring is a prime or 1. [Capelle]

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