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Topic: Prime number

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	Prime number - Wikipedia, the free encyclopedia
		The study of prime numbers is part of number theory, the branch of mathematics which encompasses the study of natural numbers.
		For a long time, prime numbers were thought as having no possible application outside of number theory; this changed in the 1970s when the concepts of public-key cryptography were invented, in which prime numbers formed the basis of the first algorithms such as the RSA cryptosystem or the Diffie-Hellman key-exchange algorithm.
		For a long time, number theory in general, and the study of prime numbers in particular, was seen as the canonical example of pure mathematics, with no applications outside of the self-interest of studying the topic.
	en.wikipedia.org /wiki/Prime_number (4339 words)

	Online Encyclopedia and Dictionary - Prime number (Site not responding. Last check: 2007-10-22)
		The numbers 0 and 1 are neither prime nor composite; note that 1 has only one divisor; a factor of 1 is of no interest in any product.
		As 2 is the only even prime number, the term odd prime is used to refers to all prime numbers except 2.
		The largest prime gap with identified gap ends known as of 1 January 2005 has a length of 2254930.
	www.fact-archive.com /encyclopedia/Prime_number (2656 words)

	Prime number - ExampleProblems.com
		In mathematics, a prime number (or prime) is a natural number greater than one whose only positive divisors are one and itself.
		The numbers zero and one are neither prime nor composite.
		The set of all prime numbers is sometimes denoted by ℙ, a flboard bold P.
	www.exampleproblems.com /wiki/index.php/Prime_number (3311 words)

	World's Largest Known Prime Number
		Primes serve as the building blocks for all positive integers, and have applications in cryptography and other fields.
		Prime Numbers - A prime number can be divided, without a remainder, only by itself and by 1.
		number theory - number theory, branch of mathematics concerned with the properties of the integers (the numbers 0,...
	www.factmonster.com /ipa/A0920820.html (284 words)

	Prime Number Encyclopedia Articles @ YYOC.com (Site not responding. Last check: 2007-10-22)
		The constant 0.235711131719232931374143..., obtained by concatenating the prime numbers, is known to be an irrational number.
		Over a 200-year period, average predator populations during hypothetical outbreaks of 14- and 15-year cicadas would be up to 2% higher than during outbreaks of 13- and 17-year cicadas.
		"Prime number" results in these other popular encyclopedia sites:
	encyclopedia.localcolorart.com /encyclopedia/Prime_number (2763 words)

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