The word productMathworldPlanetmathPlanetmathPlanetmath  in mathematics generally means the result of some of multiplication operationMathworldPlanetmath, i.e. ( of certain of mappingX×XY; such operations are commonly distributive over the addition operation of X if it is defined.

If x1 and x2 are two elements of the set X, giving the product  yY, then x1 and x2 are in general called the factors of this product.

Some most usual products are

Such kinds of product that are associative, allow to form a product of more than two factors, which is justified by the theorem in the entry general associativity.  E.g. the usual product of the integers from 1 to n is the factorial of n.

Title product
Canonical name Product
Date of creation 2013-03-22 15:45:22
Last modified on 2013-03-22 15:45:22
Owner pahio (2872)
Last modified by pahio (2872)
Numerical id 10
Author pahio (2872)
Entry type Definition
Classification msc 03E20
Related topic Multiplication
Related topic RuleOfProduct
Related topic FrobeniusProduct
Defines factor
Defines factor of a product