12

This number is a composite.

Single Curio View:   (Seek other curios for this number)
12 divides p^2-1 for all primes p>3. [Fellows]

Submitted: 2010-03-29 10:29:40;   Last Modified: 2019-02-05 03:04:04.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell