The factors of 221 and the prime factors of 221 differ because two hundred and twenty-one is a composite number. Also, despite being closely related, the prime factors of 221 and the prime factorization of 221 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 221?* and everything else you want to know about the topic.

## What are the Factors of 221?

They are: 221, 17, 13, 1. These are all the factors of 221, and every entry in the list can divide 221 without rest (modulo 0). That’s why the terms factors and divisors of 221 can be used interchangeably.

As is the case for any natural number greater than zero, the number itself, here 221, as well as 1 are factors and divisors of 221.

## Prime Factors of 221

The prime factors of 221 are the *prime* numbers which divide 221 exactly, without remainder as defined by the Euclidean division. In other words, a prime factor of 221 divides the number 221 without any rest, modulo 0.

For 221, **the prime factors are: 13, 17**. By definition, 1 is not a prime number.

Besides 1, what sets the factors and the prime factors of the number 221 apart is the word “prime”. The former list contains both, composite and prime numbers, whereas the latter includes only prime numbers.

## Prime Factorization of 221

The prime factorization of 221 is 13 x 17. This is a unique list of the prime factors, along with their multiplicities. Note that the prime factorization of 221 does not include the number 1, yet it does include every instance of a certain prime factor.

221 is a composite number. In contrast to prime numbers which only have one factorization, composite numbers like 221 have at least two factorizations.

To illustrate what that means select the rightmost and leftmost integer in 221, 17, 13, 1 and multiply these integers to obtain 221. This is the first factorization. Next choose the second rightmost and the second leftmost entry to obtain the 2nd factorization which also produces 221.

The prime factorization or integer factorization of 221 means determining the set of prime numbers which, when multiplied together, produce the original number 221. This is also known as prime decomposition of 221.

Besides factors for 221, frequently 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 221 by using the search form in the sidebar.

To sum up:

The factors, the prime factors and the prime factorization of 221 mean different things, and in strict terms cannot be used interchangeably despite being closely related.

The factors of two hundred and twenty-one are: 221, 17, 13, 1. The prime factors of two hundred and twenty-one are 13, 17. And the prime factorization of two hundred and twenty-one is 13 x 17. Remember that 1 is not a prime factor of 221.

No matter if you had been searching for prime factorization for 221 or prime numbers of 221, you have come to the right page. Also, if you typed *what is the prime factorization of 221* in the search engine then you are right here, of course.

Taking all of the above into account, tasks including *write 221 as a product of prime factors* or *list the factors of 221* will no longer pose a challenge to you.

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