309

This number is a composite.

Single Curio View: (Seek other curios for this number)

prime(309)^309 + 2 is prime. With the exception of 309, all known such numbers (up to 10000) are the first three primes. [Firoozbakht]

Submitted: 2009-06-15 04:35:09; Last Modified: 2009-07-09 11:56:50.