Q: What are the prime factors of the number 39,286,864?

 A: 2, 17, 43, 3359

Why are those the prime factors of the number 39,286,864?

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 39,286,864

39,286,864
Factor Arrows
219,643,432
Factor Arrows
29,821,716
Factor Arrows
24,910,858
Factor Arrows
22,455,429
Factor Arrows
17144,437
Factor Arrows
433,359

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, 17, 43, 3359

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 17 x 43 x 3,359 = 39,286,864

This can also be written as 24 x 171 x 431 x 3,3591 = 39,286,864

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 39,286,864:


Ask a Question