89
This number is a prime.
Single Curio View: (Seek other curios for this number)
The only non titanic prime of form n!-n#-1, (n=5). [Loungrides]
Submitted: 2015-01-27 18:48:38; Last Modified: 2019-03-21 11:43:52.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell