Q: What are the prime factors of the number 243,637,568?

 A: 2, 3806837

Why are those the prime factors of the number 243,637,568?

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 243,637,568

243,637,568
Factor Arrows
2121,818,784
Factor Arrows
260,909,392
Factor Arrows
230,454,696
Factor Arrows
215,227,348
Factor Arrows
27,613,674
Factor Arrows
23,806,837

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, 3806837

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3,806,837 = 243,637,568

This can also be written as 26 x 3,806,8371 = 243,637,568

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 243,637,568:


Ask a Question