Q: What are the prime factors of the number 18,810,688?

 A: 2, 13, 23, 983

Why are those the prime factors of the number 18,810,688?

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 18,810,688

18,810,688
Factor Arrows
29,405,344
Factor Arrows
24,702,672
Factor Arrows
22,351,336
Factor Arrows
21,175,668
Factor Arrows
2587,834
Factor Arrows
2293,917
Factor Arrows
1322,609
Factor Arrows
23983

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, 23, 983

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 13 x 23 x 983 = 18,810,688

This can also be written as 26 x 131 x 231 x 9831 = 18,810,688

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 18,810,688:


Ask a Question