factor

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Related to lethal factor: Bacillus anthracis toxin

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 ?
In the German laboratory, the anti-PA enzyme-linked immunosorbent assay result was negative, but specific antibodies against lethal factor of B.
After screening 10,000 chemicals in 3 days, the researchers found one compound, called DS-998, that blocked the activity of anthrax lethal factor.
Nucleotide sequence and analysis of the lethal factor gene (lef) from Bacillus anthracis.
Once inside, lethal factor triggers the biochemical cascade that leads to anthrax's symptoms, which are most dangerous when the spores have been inhaled.
Under the agreement, the CDC, along with the Department of Health and Human Services, will evaluate the toxin-neutralizing capacities of IQC's antibodies against the two components of the deadly Anthrax toxin -- Protective Antigen (PA) and Lethal Factor (LF).
Anthrax virulence is determined by two toxins known as lethal factor (LF) and edema factor (EF).
Once assembled, the toxin enables lethal factor to enter the cell.