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Prime number - Wikipedia


A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. A natural number greater than 1 that is not a ...

Prime Numbers - Facts, Examples, & Table Of All Up To 1,000


Prime Numbers. A prime number can be divided, without a remainder, only by itself and by 1. For example, 17 can be divided only by 17 and by 1. Some facts:.

Prime numbers | Prime numbers (video) | Khan Academy


Prime numbers are numbers that are only divisible by themselves and 1. Learn more about their properties, and see some examples.

Prime Numbers Chart and Calculator - Math is Fun


Prime Numbers Chart and Calculator. A Prime Number can be divided evenly only by 1 or itself. And it must be a whole number greater than 1. Here is a list of all ...

What is prime number? - Definition from WhatIs.com


What is a prime number? This definition explains what a prime number is and lists examples. See also different types of primes and links to information about ...

Prime Number -- from Wolfram MathWorld


For example, the only divisors of 13 are 1 and 13, making 13 a prime number, while the number 24 has divisors 1, 2, 3, 4, 6, 8, 12, and 24 (corresponding to the  ...

The first 1000 primes


Prime numbers


Euclid also showed that if the number 2<sup>n</sup> - 1 is prime then the number 2<sup>n-1</sup>(2<sup>n</sup> - 1 ) is a perfect number. The mathematician Euler (much later in 1747) was able to ...

The Prime Pages (prime number research, records and resources)


Access to hundreds of pages of award-winning information on prime numbers-- with links to thousands of pages elsewhere. We host the searchable database of  ...