Q: What are the prime factors of the number 27,867,720?

 A: 2, 3, 5, 23, 439

Why are those the prime factors of the number 27,867,720?

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 27,867,720

27,867,720
Factor Arrows
213,933,860
Factor Arrows
26,966,930
Factor Arrows
23,483,465
Factor Arrows
31,161,155
Factor Arrows
5232,231
Factor Arrows
2310,097
Factor Arrows
23439

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:

2, 3, 5, 23, 439

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 23 x 23 x 439 = 27,867,720

This can also be written as 23 x 31 x 51 x 232 x 4391 = 27,867,720

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 27,867,720:


Ask a Question