8191216381

This number is a prime.

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The largest prime obtained from the concatenation of the only three known Fibonacci-13 step primes, i.e., by inserting the even prime between the other two, i.e., 8191 and 16381. [Loungrides]

Submitted: 2019-04-04 02:30:08;   Last Modified: 2019-04-07 15:49:52.
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