This number is a prime.

Single Curio View:   (Seek other curios for this number)
The smallest Honaker prime P such that P^2+4 = (4709086621853) is a Sophie Germain prime containing all the digits 0 to 9 at least once. [Bajpai]

Submitted: 2019-10-23 20:27:15;   Last Modified: 2020-06-16 13:27:21.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell