prime number
prime number: see number theory.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved. More on prime number from Fact Monster:
 World's Largest Known Prime Number  World's Largest Known Prime Number Euclid proved in the 3rd century BC that there are an ...
 Prime Numbers  Facts, Examples, & Table Of All Up To 1,000  Prime numbers definition, facts, and table of all up to 1,000.
 number theory  number theory number theory, branch of mathematics concerned with the properties of the integers ...
 Numbers: Mean, median, prime numbers, rounding  Learn about mean and median, rounding, Pi, Roman Numerals, rational and irrational numbers, prefixes, and more.
 Prime Factors  Prime Factors Some numbers can be evenly divided only by 1 and themselves. These are prime numbers. ...
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