2573

This number is a composite.

+ The larger term in the only pair of distinct prime-digit brilliant numbers, (2537, 2573) = (43 x 59, 31 × 83), with each of them consisting of the prime square 5^2=25, followed from the terms of a pair of prime-digit emirps, i.e., (37, 73). [Loungrides]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell