Prime NumberYou are currentlynot logged in Click here to log in |
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A "Prime Number" is a counting number that is:
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Historically, 1 has until fairly recently been considered to be prime, however it's now considered more convenient to exclude 1 as a prime, since it makes various statements easier.
There are still things that we don't know about prime numbers. For example, we don't know it there are infinitely many prime pairs.
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