GCD Characterization Theorem (GCD CT)
For all integers and , and non-negative integers , if is a common divisor of and , and there
exist integers and such that , then
unique factorization theorem (UFT)
Every natural number can be written as a product of primes uniquely, apart from the order of the factors
Divisors From Prime Factorization (DFPF)
Let and be positive integers, and let be a way to represent as a product of the distinct primes , where some or all of the exponents may be zero. The integers is a positive divisor of if and only if can be represented as a product , where for .
GCD From Prime Factorization (GCD PF)
Let and be positive integers, and let , and , be ways to express and as products of the distinct primes where some or all of the exponents may be zero. Then where for .
Linear Diophantine Equation Theorem, Part 2 (LDET 2)
Let , , and be integers with and both not zero, and define . If and is one particular integer solution to the linear Diophantine equation , then the set of all solutions is given by
linear congurence theorem (LCT)
For all integers and , with non-zero, the linear congruence has a solution if and only if , where . Moreover, if is one particular solution to this congruence, then the set of all solutions is given by , or, equivalently, .
Modular Arithmetic Theorem (MAT)
For all integers and , with non-zero, the equation in has a solution if and only if , where . Moreover, when , there are $d solutions, given by , where is one particular solution.
Inverses in Z_m (INV Z_m)
Let be an integer with . The element in has a multiplicative inverse if and only if . Moreover, when , the multiplicative inverse is unique.
Inverses in Z_p (INV Z_p)
For all prime numbers and non-zero elements in , the multiplicative inverse exists and is unique.
Division Algorithm for Polynomials (DAP)
For all fields , and all polynomials and in with not the zero polynomial, there exist unique polynomials and in such that , where is the zero polynomial, or
Remainder Theorem (RT)
For all fiends , all polynomials , and all , the remainder polynomial when is divided by is the constant polynomial .
Factor Theorem (FT)
For all fields and all polynomials , and all , the linear polynomial is a factor of the polynomial if and only if (equivalently, is a root of the polynomial )
Real Quadratic Factors (RQF)
For all polynomials with real coefficients, if is a root of , and , then there exists a real quadratic polynomial and a real polynomial such that . Moreover, the quadratic factor is irreducible in .