Q: What are the prime factors of the number 22,017,987?

 A: 3, 30203

Why are those the prime factors of the number 22,017,987?

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 22,017,987

22,017,987
Factor Arrows
37,339,329
Factor Arrows
32,446,443
Factor Arrows
3815,481
Factor Arrows
3271,827
Factor Arrows
390,609
Factor Arrows
330,203

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, 30203

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 30,203 = 22,017,987

This can also be written as 36 x 30,2031 = 22,017,987

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 22,017,987:


Ask a Question