factor

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factor,

in arithmetic, any number that divides a given number evenly, i.e., without any remainder. The factors of 12 are 1, 2, 3, 4, 6, and 12. Similarly in algebra, any one of the algebraic expressions multiplied by another to form a product is a factor of that product, e.g., a+b and ab are factors of a2b 2, since (a+b)(ab)=a2b2. In general, if r is a rootroot,
in mathematics, number or quantity r for which an equation f(r)=0 holds true, where f is some function. If f is a polynomial, r is called a root of f; for example, r=3 and r
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 of a polynomialpolynomial,
mathematical expression which is a finite sum, each term being a constant times a product of one or more variables raised to powers. With only one variable the general form of a polynomial is a0xn+a1x
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 equation f(x)=0, then (xr) is a factor of the polynomial f(x).
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factor

[′fak·tər]
(mathematics)
For an integer n, any integer which gives n when multiplied by another integer.
For a polynomial p, any polynomial which gives p when multiplied by another polynomial.
For a graph G, a spanning subgraph of G with at least one edge.
(statistics)
A quantity or a variable being studied in an experiment as a possible cause of variation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

factor

1. Maths
a. one of two or more integers or polynomials whose product is a given integer or polynomial
b. an integer or polynomial that can be exactly divided into another integer or polynomial
2. Med any of several substances that participate in the clotting of blood
3. Law, Commerce a person who acts on another's behalf, esp one who transacts business for another
4. former name for a gene
5. Commercial law a person to whom goods are consigned for sale and who is paid a factorage
6. (in Scotland) the manager of an estate
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

factor

A quantity which is multiplied by another quantity.

See also divisor.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

factor

A number that divides evenly into another number. For example, 3 and 4 are factors of 12. See factorial and IFP.
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.
References in periodicals archive ?
Salgia, "Role of the hepatocyte growth factor receptor, c-Met, in oncogenesis and potential for therapeutic inhibition," Cytokine & Growth Factor Reviews, vol.
Release of hepatocyte growth factor from mechanically stretched skeletal muscle satellite cells and role of pH and nitric oxide.
de Simone et al., "Hemodialysis stimulates hepatocyte growth factor release," Kidney International, vol.
A broad-spectrum human lung fibroblast-derived mitogen is a variant of hepatocyte growth factor. Proc Natl Acad Sci USA 1991; 88: 415-419.
Receiver operating characteristic curves were used to assess the prognostic ability of different clinical variables, including [LHL.sub.15] ratio, [HH.sub.15] ratio, serum total bilirubin, serum direct bilirubin, PT and hepatocyte growth factor (Figure 4).
Heparin stimulates production of hepatocyte growth factor (HGF), which has key roles in tissue regeneration.
Scientists at the Health Research Institute/Pfeiffer Treatment Center, in collaboration with scientists at the Thoughtful House Center for Children in Austin, Texas, have recently discovered children with autism with severe gastrointestinal (GI) disease also have low levels of Hepatocyte Growth Factor (HGF).
Other subjects discussed include the P13K/Akt/mTOR pathway, the role of hepatocyte growth factor pathway signaling in RCC, and Smac/DIABLO as a proapoptotic molecular target.
The treatment uses Vical technology to deliver a gene encoding hepatocyte growth factor (HGF), a human protein that causes growth of blood vessels in areas of restricted blood flow.
Efforts to identify involvement of specific growth factors in liver cell proliferation indicated no role for hepatocyte growth factor or for the tumour growth factors, TGF-[alpha] and TGF-[beta]1 (10).

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