Q: What are the prime factors of the number 118,115,328?

 A: 2, 3, 38449

Why are those the prime factors of the number 118,115,328?

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 118,115,328

118,115,328
Factor Arrows
259,057,664
Factor Arrows
229,528,832
Factor Arrows
214,764,416
Factor Arrows
27,382,208
Factor Arrows
23,691,104
Factor Arrows
21,845,552
Factor Arrows
2922,776
Factor Arrows
2461,388
Factor Arrows
2230,694
Factor Arrows
2115,347
Factor Arrows
338,449

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, 38449

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 2 x 3 x 38,449 = 118,115,328

This can also be written as 210 x 31 x 38,4491 = 118,115,328

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 118,115,328:


Ask a Question