510581
This number is a prime.
The only prime of form p# + R(p), where p is a double-digit prime, (case p=17), i.e., 17# + 71 = 510581. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The only prime of form p# + R(p), where p is a double-digit prime, (case p=17), i.e., 17# + 71 = 510581. [Loungrides]