Quadratic Invariant
Given the Binary Quadratic Form
 | (1) |
, let |  |  | (2) |
 | |  | (3) |
Then
 | (4) |
 | |  | (5) |
 | |  | (6) |
 | |  | (7) |
so
 | |
 | |
 | |
 | |
 | |
 | |
 | |
 | |
 | |
 | |
 | |
 | (8) |
. The quantity 
iscalled the Modulus.See also Algebraic Invariant- Prime Decomposition
- Prime Difference Function
- Prime Diophantine Equations
- Prime Factorization
- Prime Factorization Algorithms
- Prime Factors
- Prime Field
- Prime Gaps
- Prime-Generating Polynomial
- Prime Group
- Prime Ideal
- Prime Knot
- Prime k-Tuple
- Prime k-Tuples Conjecture
- Prime k-Tuplet
- Prime Manifold
- Prime Number
- Prime Number of Measurement
- Prime Number Theorem
- Prime Pairs
- Prime Patterns Conjecture
- Prime Polynomial
- Prime Power Conjecture
- Prime Power Symbol
- Primequad