19

This number is a prime.

Single Curio View:   (Seek other curios for this number)
If p, q, r, s are consecutive prime numbers such that p > q > r > s > 19, then floor((p * q)/(r * s)) = 1. [Capelle]

Submitted: 2007-04-20 13:27:02;   Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell