Q: What are the prime factors of the number 2,402,624?

 A: 2, 7, 31, 173

Why are those the prime factors of the number 2,402,624?

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 2,402,624

2,402,624
Factor Arrows
21,201,312
Factor Arrows
2600,656
Factor Arrows
2300,328
Factor Arrows
2150,164
Factor Arrows
275,082
Factor Arrows
237,541
Factor Arrows
75,363
Factor Arrows
31173

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, 31, 173

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 31 x 173 = 2,402,624

This can also be written as 26 x 71 x 311 x 1731 = 2,402,624

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 2,402,624:


Ask a Question