Q: What are the prime factors of the number 16,778,864?

 A: 2, 17, 61687

Why are those the prime factors of the number 16,778,864?

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 16,778,864

16,778,864
Factor Arrows
28,389,432
Factor Arrows
24,194,716
Factor Arrows
22,097,358
Factor Arrows
21,048,679
Factor Arrows
1761,687

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, 61687

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 17 x 61,687 = 16,778,864

This can also be written as 24 x 171 x 61,6871 = 16,778,864

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 16,778,864:


Ask a Question