OFFSET
1,1
COMMENTS
If x is a primitive root mod prime p then either x is a primitive root mod p^2 or x has order p-1 mod p^2.
EXAMPLE
159 and 205 are primitive roots mod 367, but not mod 367^2.
CROSSREFS
KEYWORD
nonn
AUTHOR
Jud McCranie, Mar 24 2001
STATUS
approved