Q: What are the prime factors of the number 674,304?

 A: 2, 3, 439

Why are those the prime factors of the number 674,304?

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 674,304

674,304
Factor Arrows
2337,152
Factor Arrows
2168,576
Factor Arrows
284,288
Factor Arrows
242,144
Factor Arrows
221,072
Factor Arrows
210,536
Factor Arrows
25,268
Factor Arrows
22,634
Factor Arrows
21,317
Factor Arrows
3439

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, 439

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 2 x 2 x 2 x 3 x 439 = 674,304

This can also be written as 29 x 31 x 4391 = 674,304

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 674,304:


Ask a Question