Q: What are the prime factors of the number 18,479,554?

 A: 2, 29, 47, 6779

Why are those the prime factors of the number 18,479,554?

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 18,479,554

18,479,554
Factor Arrows
29,239,777
Factor Arrows
29318,613
Factor Arrows
476,779

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, 29, 47, 6779

We can check our work by multiplying all of the prime factors together: 2 x 29 x 47 x 6,779 = 18,479,554

This can also be written as 21 x 291 x 471 x 6,7791 = 18,479,554

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 18,479,554:


Ask a Question