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 ?
Hepatocyte growth factor affects satellite cell activation and differentiation in regenerating skeletal muscle.
2, 2013 /PRNewswire/ -- ReLife International Medical Center researches hepatocyte growth factors.
The study examined the role played by hepatocyte growth factor (HGF), or scatter factor, which signals cells to divide and assume roles.
We believe that hepatocyte growth factor helps maintain the skin's barrier function without allowing for UV-damaged cells to develop into tumor cells.
Title: Pharmacodynamic (PD) - Pharmacokinetic (PK) study of ficlatuzumab (F), a monoclonal antibody (MAB) directed to the hepatocyte growth factor (HGF), in patients (PTS) with advanced solid tumors who have liver metastases (METS)
The biomarkers include hepatocyte growth factor (HGF), vascular endothelial growth factor (VEGF) and prostate specific antigen (PSA).
Most notably, Pfizer's first-in-class crizotinib, a TKI targeting anaplastic lymphoma kinase (ALK) and hepatocyte growth factor receptor tyrosine kinase (HGFR)/human mesenchymal-epithelial transition factor (c-MET) has proven extremely efficacious in the small population of NSCLC patients who express the echinoderm microtubule-associated protein-like 4 (EML4)-anaplastic lymphoma kinase (ALK) fusion protein.
This detailed intelligence report provides a competitor analysis in the development pipeline of novel emerging inhibitors of c-MET receptor tyrosine kinase (RTK) and its ligand hepatocyte growth factor (HGF) or scatter factor (SF) for treatment of solid tumors.
Hepatocyte growth factor modification promotes the amelioration effects of human umbilical cord mesenchymal stem cells on rat acute kidney injury.

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