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The Largest Known Primes

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Visit this site: http://primes.utm.edu/largest.html

Author:Chris Caldwell
Description: An integer greater than one is called a prime number if its only positive divisors (factors) are one and itself. Primes are the building blocks of the positive integers: every positive integer is a product of prime numbers in one and only one way, except for the order of the factors. The Sieve of Eratosthenes is still the most efficient way of finding all very small primes (those less than 1,000,000); most of the largest primes are found using special cases of Lagrange's Theorem from group theory.

Levels: Elementary, Middle School (6-8), High School (9-12)
Languages: English
Math Topics: Prime Numbers

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