This number is a prime.

Just showing those entries submitted by 'Post': (Click here to show all)

Carla Kik © 2004
+ There are 97 non-cubic 3-dimensional crystallographic groups without reflection planes. [Post]

+ Every number is the sum of four squares. As a corollary to work by J. H. Conway, 97 is the largest prime p for which the first square can be taken to be any positive square < p. [Post]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell