Q: What is the prime factorization of the number 50,652?

 A:
  • The prime factors are: 2 x 2 x 3 x 3 x 3 x 7 x 67
    • or also written as { 2, 2, 3, 3, 3, 7, 67 }
  • Written in exponential form: 22 x 33 x 71 x 671

Why is the prime factorization of 50,652 written as 22 x 33 x 71 x 671?

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 50,652

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 50,652 by 2

50,652 ÷ 2 = 25,326 - No remainder! 2 is one of the factors!
25,326 ÷ 2 = 12,663 - No remainder! 2 is one of the factors!
12,663 ÷ 2 = 6,331.5 - There is a remainder. We can't divide by 2 evenly anymore. Let's try the next prime number
12,663 ÷ 3 = 4,221 - No remainder! 3 is one of the factors!
4,221 ÷ 3 = 1,407 - No remainder! 3 is one of the factors!
1,407 ÷ 3 = 469 - No remainder! 3 is one of the factors!
469 ÷ 3 = 156.3333 - There is a remainder. We can't divide by 3 evenly anymore. Let's try the next prime number
469 ÷ 5 = 93.8 - This has a remainder. 5 is not a factor.
469 ÷ 7 = 67 - No remainder! 7 is one of the factors!
67 ÷ 7 = 9.5714 - There is a remainder. We can't divide by 7 evenly anymore. Let's try the next prime number
67 ÷ 11 = 6.0909 - This has a remainder. 11 is not a factor.
67 ÷ 13 = 5.1538 - This has a remainder. 13 is not a factor.
67 ÷ 17 = 3.9412 - This has a remainder. 17 is not a factor.
...
Keep trying increasingly larger numbers until you find one that divides evenly.
...
67 ÷ 67 = 1 - No remainder! 67 is one of the factors!

The orange divisor(s) above are the prime factors of the number 50,652. If we put all of it together we have the factors 2 x 2 x 3 x 3 x 3 x 7 x 67 = 50,652. It can also be written in exponential form as 22 x 33 x 71 x 671.

Factor Tree

Another way to do prime factorization is to use a factor tree. Below is a factor tree for the number 50,652.

50,652
Factor Arrows
225,326
Factor Arrows
212,663
Factor Arrows
34,221
Factor Arrows
31,407
Factor Arrows
3469
Factor Arrows
767

More Prime Factorization Examples

50,65050,65150,65350,654
21 x 52 x 1,013150,651137321 x 191 x 311 x 431

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