Non-residue
From Encyclopedia of Mathematics
of power 
modulo 
A number 
for which the congruence 
has no solution. See also Remainder of an integer.
Comments
Usually this term refers to the case 
. It was first used by C.F. Gauss in his Disquisitiones Arithmetica.
How to Cite This Entry:
Non-residue. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Non-residue&oldid=44366
Non-residue. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Non-residue&oldid=44366