67
This number is a prime.
Single Curio View: (Seek other curios for this number)
6! * 7! = 10!.
Submitted: 1999-09-02 23:40:00; Last Modified: 2008-07-31 13:09:06.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell