Q: What are the prime factors of the number 704,072,778?

 A: 2, 3, 19, 37, 71, 2351

Why are those the prime factors of the number 704,072,778?

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 704,072,778

704,072,778
Factor Arrows
2352,036,389
Factor Arrows
3117,345,463
Factor Arrows
196,176,077
Factor Arrows
37166,921
Factor Arrows
712,351

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, 19, 37, 71, 2351

We can check our work by multiplying all of the prime factors together: 2 x 3 x 19 x 37 x 71 x 2,351 = 704,072,778

This can also be written as 21 x 31 x 191 x 371 x 711 x 2,3511 = 704,072,778

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 704,072,778:


Ask a Question