Q: What are the prime factors of the number 18,901,526?

 A: 2, 7, 409, 3301

Why are those the prime factors of the number 18,901,526?

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 18,901,526

18,901,526
Factor Arrows
29,450,763
Factor Arrows
71,350,109
Factor Arrows
4093,301

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, 7, 409, 3301

We can check our work by multiplying all of the prime factors together: 2 x 7 x 409 x 3,301 = 18,901,526

This can also be written as 21 x 71 x 4091 x 3,3011 = 18,901,526

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 18,901,526:


Ask a Question