223331355555777767777

This number is a prime.

                                                     2 2333135555 5777767777

+ The smallest prime that splits up into each of a prime with exactly p prime digits p: 223, 3313, 555557, 77767777. [Beedassy]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell