Prime Factorization of 161

What is the Prime Factorization of 161?

Answer: Prime Factors of 161: 7, 23

Explanation of number 161 Prime Factorization

Prime Factorization of 161 it is expressing 161 as the product of prime factors. In other words it is finding which prime numbers should be multiplied together to make 161.

Since number 161 is a Composite number (not Prime) we can do its Prime Factorization.

To get a list of all Prime Factors of 161, we have to iteratively divide 161 by the smallest prime number possible until the result equals 1.

Here is the complete solution of finding Prime Factors of 161:

The smallest Prime Number which can divide 161 without a remainder is 7. So the first calculation step would look like:

161 ÷ 7 = 23

Now we repeat this action until the result equals 1:

23 ÷ 23 = 1

Now we have all the Prime Factors for number 161. It is: 7, 23

Prime Factor Tree of 161

We may also express the prime factorization of 161 as a Factor Tree:

About "Prime Factorization" Calculator

This calculator will perform a Prime Factorization of any given number and will show all its Prime Factors. For example, it can help you find out what is the Prime Factorization of 161? (The answer is: 7, 23). Pick the number for factorization (e.g. '161'). After that hit the 'Calculate' button.
Prime factors are the positive integers having only two factors - 1 and the number itself

Prime Factorization Table

NumberPrime Factors
2, 73
3 × 72
22 × 37
149
2 × 3 × 52
151
23 × 19
32 × 17
2, 7, 11
5, 31
22 × 3 × 13
157
2, 79
3, 53
25 × 5
7, 23
2 × 34
163
22 × 41
3, 5, 11
2, 83
167
23 × 3 × 7
132
2, 5, 17
32 × 19
22 × 43
173
2, 3, 29
52 × 7

FAQ

What is the Prime Factorization of 161?

Prime Factors of 161: 7, 23

How many prime factors does 161 have?

Number 161 has 2 Prime Factors