Q: What are the prime factors of the number 20,432,768?

 A: 2, 159631

Why are those the prime factors of the number 20,432,768?

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 20,432,768

20,432,768
Factor Arrows
210,216,384
Factor Arrows
25,108,192
Factor Arrows
22,554,096
Factor Arrows
21,277,048
Factor Arrows
2638,524
Factor Arrows
2319,262
Factor Arrows
2159,631

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, 159631

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 2 x 159,631 = 20,432,768

This can also be written as 27 x 159,6311 = 20,432,768

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 20,432,768:


Ask a Question