Q: What are the prime factors of the number 18,481,136?

 A: 2, 1155071

Why are those the prime factors of the number 18,481,136?

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 18,481,136

18,481,136
Factor Arrows
29,240,568
Factor Arrows
24,620,284
Factor Arrows
22,310,142
Factor Arrows
21,155,071

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, 1155071

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 1,155,071 = 18,481,136

This can also be written as 24 x 1,155,0711 = 18,481,136

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 18,481,136:


Ask a Question