This number is a prime.

Single Curio View:   (Seek other curios for this number)
The largest prime of form 1!+2!+ … +n!+2, (n=3). Note that every other number of this form, for n > 3, ends with 5. [Loungrides]

Submitted: 2015-07-21 19:14:31;   Last Modified: 2020-08-02 16:18:01.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell