Q: What are the prime factors of the number 720,563,536?

 A: 2, 7, 11, 584873

Why are those the prime factors of the number 720,563,536?

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 720,563,536

720,563,536
Factor Arrows
2360,281,768
Factor Arrows
2180,140,884
Factor Arrows
290,070,442
Factor Arrows
245,035,221
Factor Arrows
76,433,603
Factor Arrows
11584,873

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, 7, 11, 584873

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 11 x 584,873 = 720,563,536

This can also be written as 24 x 71 x 111 x 584,8731 = 720,563,536

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 720,563,536:


Ask a Question