Q: What are the prime factors of the number 85,599,488?

 A: 2, 13, 17, 89

Why are those the prime factors of the number 85,599,488?

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 85,599,488

85,599,488
Factor Arrows
242,799,744
Factor Arrows
221,399,872
Factor Arrows
210,699,936
Factor Arrows
25,349,968
Factor Arrows
22,674,984
Factor Arrows
21,337,492
Factor Arrows
2668,746
Factor Arrows
2334,373
Factor Arrows
1325,721
Factor Arrows
171,513
Factor Arrows
1789

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, 13, 17, 89

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 13 x 17 x 17 x 89 = 85,599,488

This can also be written as 28 x 131 x 172 x 891 = 85,599,488

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 85,599,488:


Ask a Question