777777775555552323323
This number is a prime.
7 7777777555 5552323323
The largest prime-digit prime containing (d+1) times each of the prime digits d. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
7 7777777555 5552323323
The largest prime-digit prime containing (d+1) times each of the prime digits d. [Loungrides]