The factors of 999 and the prime factors of 999 differ because nine hundred and ninety-nine is a composite number. Also, despite being closely related, the prime factors of 999 and the prime factorization of 999 are not exactly the same either. In any case, by reading on you can learn the answer to the question *what are the factors of 999?* and everything else you want to know about the topic.

## What are the Factors of 999?

They are: 999, 333, 111, 37, 27, 9, 3, 1. These are all the factors of 999, and every entry in the list can divide 999 without rest (modulo 0). That’s why the terms factors and divisors of 999 can be used interchangeably.

As is the case for any natural number greater than zero, the number itself, here 999, as well as 1 are factors and divisors of 999.

## Prime Factors of 999

The prime factors of 999 are the *prime* numbers which divide 999 exactly, without remainder as defined by the Euclidean division. In other words, a prime factor of 999 divides the number 999 without any rest, modulo 0.

For 999, **the prime factors are: 3, 37**. By definition, 1 is not a prime number.

Besides 1, what sets the factors and the prime factors of the number 999 apart is the word “prime”. The former list contains both, composite and prime numbers, whereas the latter includes only prime numbers.

## Prime Factorization of 999

The prime factorization of 999 is 3 x 3 x 3 x 37. This is a unique list of the prime factors, along with their multiplicities. Note that the prime factorization of 999 does not include the number 1, yet it does include every instance of a certain prime factor.

999 is a composite number. In contrast to prime numbers which only have one factorization, composite numbers like 999 have at least two factorizations.

To illustrate what that means select the rightmost and leftmost integer in 999, 333, 111, 37, 27, 9, 3, 1 and multiply these integers to obtain 999. This is the first factorization. Next choose the second rightmost and the second leftmost entry to obtain the 2nd factorization which also produces 999.

The prime factorization or integer factorization of 999 means determining the set of prime numbers which, when multiplied together, produce the original number 999. This is also known as prime decomposition of 999.

Besides factors for 999, other searched terms on our website include:

We did not place any calculator here as there are already a plethora of them on the web. But you can find the factors, prime factors and the factorizations of many numbers including 999 by using the search form in the sidebar.

To sum up:

The factors, the prime factors and the prime factorization of 999 mean different things, and in strict terms cannot be used interchangeably despite being closely related.

The factors of nine hundred and ninety-nine are: 999, 333, 111, 37, 27, 9, 3, 1. The prime factors of nine hundred and ninety-nine are 3, 37. And the prime factorization of nine hundred and ninety-nine is 3 x 3 x 3 x 37. Remember that 1 is not a prime factor of 999.

No matter if you had been searching for prime factorization for 999 or prime numbers of 999, you have come to the right page. Also, if you typed *what is the prime factorization of 999* in the search engine then you are right here, of course.

Taking all of the above into account, tasks including *write 999 as a product of prime factors* or *list the factors of 999* will no longer pose a challenge to you.

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