Q: What are the prime factors of the number 19,008,858?

 A: 2, 3, 11, 26183

Why are those the prime factors of the number 19,008,858?

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 19,008,858

19,008,858
Factor Arrows
29,504,429
Factor Arrows
33,168,143
Factor Arrows
11288,013
Factor Arrows
1126,183

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, 3, 11, 26183

We can check our work by multiplying all of the prime factors together: 2 x 3 x 11 x 11 x 26,183 = 19,008,858

This can also be written as 21 x 31 x 112 x 26,1831 = 19,008,858

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 19,008,858:


Ask a Question