Q: What are the prime factors of the number 720,534,616?

 A: 2, 23, 67, 211, 277

Why are those the prime factors of the number 720,534,616?

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 720,534,616

720,534,616
Factor Arrows
2360,267,308
Factor Arrows
2180,133,654
Factor Arrows
290,066,827
Factor Arrows
233,915,949
Factor Arrows
6758,447
Factor Arrows
211277

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, 23, 67, 211, 277

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 23 x 67 x 211 x 277 = 720,534,616

This can also be written as 23 x 231 x 671 x 2111 x 2771 = 720,534,616

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 720,534,616:


Ask a Question