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Prime number


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 Chart and Calculator - Math is Fun


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 the prime numbers up to 1,000: ...

Prime numbers | Prime and composite numbers | Khan Academy


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

Math Video - Prime Numbers - Math Playground


Math video explains what a prime number is.

Prime number | Define Prime number at Dictionary.com


Prime number definition, a positive integer that is not divisible without remainder by any integer except itself and 1, with 1 often excluded: The integers 2, 3, 5, ...

www.ask.com/youtube?q=What Is a Prime Number?&v=9pgA-H77BLc
Nov 1, 2009 ... Click here for the full version: http://vn2.me/zut Prime numbers aren't too hard to define, but they still puzzle professional mathematicians.

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


The Prime Glossary: prime number


An integer greater than one is called a prime number if its only positive divisors ( factors) are one and itself. For example, the prime divisors of 10 are 2 and 5, and  ...

What Are Prime Numbers? - Definition & Examples - Video & Lesson ...


In this lesson, we'll do a brief review of factors, and then learn how factors make prime numbers unique. You can also test your knowledge with a...

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


Except for 0 and 1, a number is either a prime number or a composite number. A composite number is defined as any number, greater than 1, that is not prime.

Math Forum: Ask Dr. Math FAQ: Prime Numbers


What is a prime number? How can you find prime numbers? What's the 'Sieve of Eratosthenes'? How can you decide if a number is prime? What's the largest ...