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 ?
A relative risk is then assigned to each abnormal location for either male factor infertility or poor embryo development.
The patients were further subdivided into those with male factor infertility (n = 53) and PCOS (n = 61).
Added to this is the male factor compliance of this method (as in our study the acceptance of barrier method was solely male condoms).
The main causes of infertility are: ovulatory dysfunction, age and diminished ovarian reserve, male factors, tubal factors, uterine factors, cervical factors, immunological factors, systemic diseases (chronic and autoimmune diseases) and idiopathic factors.
7) The female factors contribute almost half in the aetiologies of infertility followed by male factors (30-40%) and the rest are attributed to a mixture of both or by problems unknown.
Those with male factor infertility, any contraindication to general anesthesia or laparoscopy e.
We considered the following as potential mediators of the relationship between paternal phenol concentration and IVF cycles outcomes: any diagnosis of male factor infertility, IVF treatment protocol (flare/ antagonist vs.
SPERM FUNCTION TESTING: Semen analysis, the first step in diagnosis of male factor infertility, not only evaluates the spermatozoa but also the seminal plasma and non-sperm cells (Samplaski et al, 2010).
For more than four decades, clomiphene citrate has been the first line therapy for induction of ovulation in women with anovulatory infertility and for superovulation in couples with unexplained infertility, mild endometriosis and mild male factor of infertility for a variety of reasons.
ICSI use in cases without male factor infertility is associated with small, but statistically significant declines in implantation, pregnancy, and live birth rates, compared with conventional IVF, Sheree L.
The widespread expansion of IVF has resulted in patients with a correctible varicocele offered immediate IVF instead of male factor treatment.
Only infertile couples with male factor etiology met the inclusion criteria.