414347

This number is a prime.

+ The largest prime formed by concatenating in ascending order three consecutive double-digit primes. Note that their sum (41+43+47) is also prime. [Loungrides]

+ 41, 43 and 47 are primes and 414347 is also prime. Furthermore, the 41st, 43rd and 47th prime are 179, 191 and 211; 179191211 is also prime. [Bopardikar]

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