311

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The largest prime of the form |a^b - c^d|, where a, b, c and d are the first 4 primes. 311 = 7^3 - 2^5. Curiously, 311 = prime(2^6). [Post]

Submitted: 2009-11-25 11:38:02;   Last Modified: 2009-11-27 14:14:53.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell