Q: What are the prime factors of the number 4,435,840?

 A: 2, 5, 29, 239

Why are those the prime factors of the number 4,435,840?

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 4,435,840

4,435,840
Factor Arrows
22,217,920
Factor Arrows
21,108,960
Factor Arrows
2554,480
Factor Arrows
2277,240
Factor Arrows
2138,620
Factor Arrows
269,310
Factor Arrows
234,655
Factor Arrows
56,931
Factor Arrows
29239

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, 5, 29, 239

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 5 x 29 x 239 = 4,435,840

This can also be written as 27 x 51 x 291 x 2391 = 4,435,840

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 4,435,840:


Ask a Question