191

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The lesser in the largest known twin prime pair of the form n*2^(n-1) +/- 1. [Honaker]

Submitted: 2013-05-04 11:11:10;   Last Modified: 2016-07-23 18:14:30.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell