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).

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.

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

factor

A quantity which is multiplied by another quantity.

See also divisor.

factor

A number that divides evenly into another number. For example, 3 and 4 are factors of 12. See factorial and IFP.
References in periodicals archive ?
Breakdown of Value Sales by Segment - EPO, G-CSF, Insulin,
For further information please refer to the SmPC for pegfilgrastim and filgrastim - two commonly used G-CSFs.
Tbo-filgrastim is a short-acting recombinant form of G-CSF which was designed to stimulate the bone marrow to produce white bloods cells to reduce the duration of severe neutropenia in patients receiving chemotherapy associated with a clinically significant incidence of febrile neutropenia (neutropenia with fever).
This study, The World Market for Biosimilars, 4th Edition (EPO, G-CSF, HGH, Insulin, Interferon alpha, mAbs, Others), is designed to provide a comprehensive look at the various strategies being used by select worldwide generic companies in exploring the emerging area of biosimilars, the issues and trends that are shaping the marketplace, and the potential feasibility of providing biosimilars within the United States regulatory environment.
Dr Nick Samaras, MuriGen's Chief Executive Officer, said, "We are extremely pleased that the further development of the G-CSF inflammatory disease program will be conducted by an Australian biopharmaceutical partner with the expertise and capability that CSL provide.
Beyond intracoronary infusion of autologous bone marrow mononuclear CD34+ cells (MNCCD34+), mobilization of stem cells by G-CSF has recently attracted attention because of various advantages such as the noninvasive nature of MNCCD34+ mobilization by subcutaneous injections.
Human G-CSF is a glycoprotein which regulates the production and release of functional neutrophils from the bone marrow.
Likewise, it is unclear how much the modest decrease in pegylated interferon dosage that's avoided by G-CSF affects the SVR.
In a study aimed at determining if interleukin 8 and G-CSF held the same predictive value, Dr.
The claims of the patent include one or more naked CD22 antibodies used alone and in combination with other therapeutic agents including drugs, other B-cell antibodies such as CD20 and CD19, and even with cytokines, such as G-CSF," commented Immunomedics' President and Chief Operating Officer, Cynthia L.
Biotechnology, companies now can manufacture human GM-CSF and G-CSF in yeast or bacteria, and researchers have begun testing the usefulness of these two recombinant growth factors in various medical conditions, including AIDS (SN: 9/12/87, p.