The factors of 161 and the prime factors of 161 differ because hundred and sixty-one is a composite number. Also, despite being closely related, the prime factors of 161 and the prime factorization of 161 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 161?* and everything else you want to know about the topic.

## What are the Factors of 161?

They are: 161, 23, 7, 1. These are all the factors of 161, and every entry in the list can divide 161 without rest (modulo 0). That’s why the terms factors and divisors of 161 can be used interchangeably.

As is the case for any natural number greater than zero, the number itself, here 161, as well as 1 are factors and divisors of 161.

## Prime Factors of 161

The prime factors of 161 are the *prime* numbers which divide 161 exactly, without remainder as defined by the Euclidean division. In other words, a prime factor of 161 divides the number 161 without any rest, modulo 0.

For 161, **the prime factors are: 7, 23**. By definition, 1 is not a prime number.

Besides 1, what sets the factors and the prime factors of the number 161 apart is the word “prime”. The former list contains both, composite and prime numbers, whereas the latter includes only prime numbers.

## Prime Factorization of 161

The prime factorization of 161 is 7 x 23. This is a unique list of the prime factors, along with their multiplicities. Note that the prime factorization of 161 does not include the number 1, yet it does include every instance of a certain prime factor.

161 is a composite number. In contrast to prime numbers which only have one factorization, composite numbers like 161 have at least two factorizations.

To illustrate what that means select the rightmost and leftmost integer in 161, 23, 7, 1 and multiply these integers to obtain 161. This is the first factorization. Next choose the second rightmost and the second leftmost entry to obtain the 2nd factorization which also produces 161.

The prime factorization or integer factorization of 161 means determining the set of prime numbers which, when multiplied together, produce the original number 161. This is also known as prime decomposition of 161.

Besides factors for 161, 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 161 by using the search form in the sidebar.

To sum up:

The factors, the prime factors and the prime factorization of 161 mean different things, and in strict terms cannot be used interchangeably despite being closely related.

The factors of hundred and sixty-one are: 161, 23, 7, 1. The prime factors of hundred and sixty-one are 7, 23. And the prime factorization of hundred and sixty-one is 7 x 23. Remember that 1 is not a prime factor of 161.

No matter if you had been searching for prime factorization for 161 or prime numbers of 161, you have come to the right page. Also, if you typed *what is the prime factorization of 161* in the search engine then you are right here, of course.

Taking all of the above into account, tasks including *write 161 as a product of prime factors* or *list the factors of 161* will no longer pose a challenge to you.

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