10691
This number is a prime.
The largest known prime that is a Wagstaff and Lucas prime index simultaneously. Note that it is also strobogrammatic. [Zhou]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The largest known prime that is a Wagstaff and Lucas prime index simultaneously. Note that it is also strobogrammatic. [Zhou]