Q: What are the prime factors of the number 21,833,019?

 A: 3, 13, 191, 977

Why are those the prime factors of the number 21,833,019?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 21,833,019

21,833,019
Factor Arrows
37,277,673
Factor Arrows
32,425,891
Factor Arrows
13186,607
Factor Arrows
191977

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

3, 13, 191, 977

We can check our work by multiplying all of the prime factors together: 3 x 3 x 13 x 191 x 977 = 21,833,019

This can also be written as 32 x 131 x 1911 x 9771 = 21,833,019

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 21,833,019:


Ask a Question