347
This number is a prime.
Single Curio View: (Seek other curios for this number)
The largest three-digit prime which remains prime when 2 is added to any of its digits, i.e., 547, 367, and 349, are primes. [Opao]
Submitted: 2004-02-23 08:39:29; Last Modified: 2008-01-30 17:19:21.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell