Q: What are the prime factors of the number 17,824,768?

 A: 2, 13, 103

Why are those the prime factors of the number 17,824,768?

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 17,824,768

17,824,768
Factor Arrows
28,912,384
Factor Arrows
24,456,192
Factor Arrows
22,228,096
Factor Arrows
21,114,048
Factor Arrows
2557,024
Factor Arrows
2278,512
Factor Arrows
2139,256
Factor Arrows
269,628
Factor Arrows
234,814
Factor Arrows
217,407
Factor Arrows
131,339
Factor Arrows
13103

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, 13, 103

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 2 x 2 x 2 x 13 x 13 x 103 = 17,824,768

This can also be written as 210 x 132 x 1031 = 17,824,768

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 17,824,768:


Ask a Question