This number is a prime.
The smallest emirp Z in the Fermat near-miss
(X, Y, Z) with
Z, X3 +
Y3 = Z3 -
1, such that Y is also an emirp:
257653 + 338573 = 382393 -
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell