Prime
A symbol used to distinguish one quantity 
("
prime") from another related 
. Prime marks are
most commonly used to denote
1. Transformed coordinates,
2. Conjugate points,
3. derivatives,
4. The complement 
of a set 
,
5. As an alternate notation for transpose.
Of course, the term "prime" also refers to a prime number. The Wolfram Language command
giving the 
th prime number is Prime[n].
Contact the MathWorld Team
prime
