6123456789101
This number is a prime.
612 3456789101
The only prime formed by inserting the sequence 1-10 between the digits of a double-digit prime. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
612 3456789101
The only prime formed by inserting the sequence 1-10 between the digits of a double-digit prime. [Loungrides]