16196...59409 (51-digits)

This number is a prime.

1 6196361784 1024136914 4416001681 3844722579 2190259409

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The concatenation of the first fourteen squares that are reverse primes is a prime number. [Gaydos]

Submitted: 2016-06-15 09:19:24; Last Modified: 2016-08-14 19:11:20.