64109
This number is a prime.
The only prime concatenated from the first four brilliant numbers, i.e., 4, 6, 9, 10. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The only prime concatenated from the first four brilliant numbers, i.e., 4, 6, 9, 10. [Loungrides]