Q: What are the prime factors of the number 409,024?

 A: 2, 7, 11, 83

Why are those the prime factors of the number 409,024?

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 409,024

409,024
Factor Arrows
2204,512
Factor Arrows
2102,256
Factor Arrows
251,128
Factor Arrows
225,564
Factor Arrows
212,782
Factor Arrows
26,391
Factor Arrows
7913
Factor Arrows
1183

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, 7, 11, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 7 x 11 x 83 = 409,024

This can also be written as 26 x 71 x 111 x 831 = 409,024

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 409,024:


Ask a Question