157119131933

This number is a prime.

                                                               15 7119131933

+ {157119131933, 193319131571} is the smallest case of a pair of 12-digit primes concatenating in ascending and descending order to form three 4-digit consecutive Honaker primes, i.e., {1571, 1913, 1933}. [Bajpai]

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