Q: What is the prime factorization of the number 114,504?

 A:
  • The prime factors are: 2 x 2 x 2 x 3 x 13 x 367
    • or also written as { 2, 2, 2, 3, 13, 367 }
  • Written in exponential form: 23 x 31 x 131 x 3671

Why is the prime factorization of 114,504 written as 23 x 31 x 131 x 3671?

What is prime factorization?

Prime factorization or prime factor decomposition is the process of finding which prime numbers can be multiplied together to make the original number.

Finding the prime factors of 114,504

To find the prime factors, you start by dividing the number by the first prime number, which is 2. If there is not a remainder, meaning you can divide evenly, then 2 is a factor of the number. Continue dividing by 2 until you cannot divide evenly anymore. Write down how many 2's you were able to divide by evenly. Now try dividing by the next prime factor, which is 3. The goal is to get to a quotient of 1.

If it doesn't make sense yet, let's try it...

Here are the first several prime factors: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29...

Let's start by dividing 114,504 by 2

114,504 ÷ 2 = 57,252 - No remainder! 2 is one of the factors!
57,252 ÷ 2 = 28,626 - No remainder! 2 is one of the factors!
28,626 ÷ 2 = 14,313 - No remainder! 2 is one of the factors!
14,313 ÷ 2 = 7,156.5 - There is a remainder. We can't divide by 2 evenly anymore. Let's try the next prime number
14,313 ÷ 3 = 4,771 - No remainder! 3 is one of the factors!
4,771 ÷ 3 = 1,590.3333 - There is a remainder. We can't divide by 3 evenly anymore. Let's try the next prime number
4,771 ÷ 5 = 954.2 - This has a remainder. 5 is not a factor.
4,771 ÷ 7 = 681.5714 - This has a remainder. 7 is not a factor.
4,771 ÷ 11 = 433.7273 - This has a remainder. 11 is not a factor.
4,771 ÷ 13 = 367 - No remainder! 13 is one of the factors!
367 ÷ 13 = 28.2308 - There is a remainder. We can't divide by 13 evenly anymore. Let's try the next prime number
367 ÷ 17 = 21.5882 - This has a remainder. 17 is not a factor.
367 ÷ 19 = 19.3158 - This has a remainder. 19 is not a factor.
367 ÷ 23 = 15.9565 - This has a remainder. 23 is not a factor.
...
Keep trying increasingly larger numbers until you find one that divides evenly.
...
367 ÷ 367 = 1 - No remainder! 367 is one of the factors!

The orange divisor(s) above are the prime factors of the number 114,504. If we put all of it together we have the factors 2 x 2 x 2 x 3 x 13 x 367 = 114,504. It can also be written in exponential form as 23 x 31 x 131 x 3671.

Factor Tree

Another way to do prime factorization is to use a factor tree. Below is a factor tree for the number 114,504.

114,504
Factor Arrows
257,252
Factor Arrows
228,626
Factor Arrows
214,313
Factor Arrows
34,771
Factor Arrows
13367

More Prime Factorization Examples

114,502114,503114,505114,506
21 x 57,2511671 x 1,709151 x 22,901121 x 71 x 8,1791

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