CoprimeQ (Built-in Mathematica Symbol)

CoprimeQ[n_1, n_2] yields True if n_1 and n_2 are relatively prime, and yields False otherwise. CoprimeQ[n_1, n_2, ...] yields True if all pairs of the n_i are relatively ...

ColorRules (Built-in Mathematica Symbol)

ColorRules is an option for ArrayPlot which specifies how colors of cells should be determined from values.

LCM (Built-in Mathematica Symbol)

LCM[n_1, n_2, ...] gives the least common multiple of the n_i.

Mathematical Functions (Mathematica Guide)

Mathematica has the most extensive collection of mathematical functions ever assembled. Often relying on original results and algorithms developed at Wolfram Research over ...

Cancel (Built-in Mathematica Symbol)

Cancel[expr] cancels out common factors in the numerator and denominator of expr.

Divide (Built-in Mathematica Symbol)

x/y or Divide[x, y] is equivalent to x y^-1.

Divisible (Built-in Mathematica Symbol)

Divisible[n, m] yields True if n is divisible by m, and yields False if it is not.

JacobiSymbol (Built-in Mathematica Symbol)

JacobiSymbol[n, m] gives the Jacobi symbol (n/m).

PrimeQ (Built-in Mathematica Symbol)

PrimeQ[expr] yields True if expr is a prime number, and yields False otherwise.

CarmichaelLambda (Built-in Mathematica Symbol)

CarmichaelLambda[n] gives the Carmichael function \[Lambda](n), defined as the smallest integer m such that k^m \[Congruent] 1 mod n for all k relatively prime to n.