fundamental theorem of arithmetic

(redirected from Abnormal number)

fundamental theorem of arithmetic

[¦fən·də¦ment·əl ¦thir·əm əv ə′rith·mə·tik]
(mathematics)
Every positive integer greater than 1 can be factored uniquely into the form P1 n1Pi ni Pk nk , where the Pi are primes, the ni positive integers.
References in classic literature ?
Very many defects have been corrected by the various editions of the Hymns, but a considerable number still defy all efforts; and especially an abnormal number of undoubted lacuna disfigure the text.
In fact, the term's eighteenth-century botanical origins (in English) with reference to "the condition of having an abnormal number or kind of floral organs" (OED) suggests a condition not only of unsustainable growth but proliferation as a state that is saliently aberrant: thus "the appearance of a bud or of a flower upon a part of the plant which has not been accustomed to bear such" (OED).
Officials temporarily closed the Willamette River around its confluence with the millrace due to the presence of an abnormal number of dead fish.
As a result, the test will be able to provide additional data for the presence of subchromosomal microdeletions and autosomal trisomies for chromosomes 16 and 22, along with previously unveiled additional results for sex chromosome aneuploidies including an abnormal number of the X or Y chromosomes.
Disruption of this process can lead to the production of an abnormal number of chromosomes--a condition evident in 90% of cancer cases.
He downplayed the possibility of an outbreak of disease from unsanitary conditions, saying the ship had not seen an abnormal number of people reporting to the infirmary as being ill.
The trial found that microarray analysis, which compares a fetus's DNA with a normal (control) DNA, performed as well as karyotyping in identifying common aneuploidies (an abnormal number of chromosomes--an extra or missing chromosome causes genetic disorders such as Down syndrome and Edwards syndrome); it also identified additional abnormalities undetected by karyotyping.
BubR1 overexpression markedly reduced aneuploidy (a state of having an abnormal number of chromosomes), which causes birth defects.
The most popular theory is the abnormal number of summer showers and solar activity, which can send the birds off course.
In March 2010, French authorities discovered that the company Poly Implant Prothese (PIP) was using an adulterated industrial gel, suspected to be the cause of an abnormal number of ruptured implants.
Since these pluripotent stem cells also have a copy of the chromosome from die oocyte, resulting in an abnormal number of chromosomes, these cells are not ready for therapeutic use.
But the cells which were developed have an abnormal number of chromosomes so they are not yet ready for therapeutic use, the researchers added.

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