55555553
This number is a prime.
The smallest prime-digit near-repdigit prime of form (5)n3, n>1, (case n=7). The next such prime is for n=25. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The smallest prime-digit near-repdigit prime of form (5)n3, n>1, (case n=7). The next such prime is for n=25. [Loungrides]