19

This number is a prime.

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The smallest Loeschian prime of form x^2+x*y+y^2, where x, y are successive primes, case (x=2, y=3), i.e., 2^2+2*3+3^2=19. [Loungrides]

Submitted: 2020-01-22 16:15:07;   Last Modified: 2020-01-31 14:55:40.
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