1387

This number is a composite.

Single Curio View:   (Seek other curios for this number)
The smallest base-two pseudoprime that cannot be shown composite by elementary tests for divisibility by 3, 5 and 11 (1387 = 19*73).

Submitted: 2003-12-25 17:09:15;   Last Modified: 2008-01-30 11:28:00.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell