Q: What are the prime factors of the number 111,143,502?

 A: 2, 3, 19, 36109

Why are those the prime factors of the number 111,143,502?

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 111,143,502

111,143,502
Factor Arrows
255,571,751
Factor Arrows
318,523,917
Factor Arrows
36,174,639
Factor Arrows
32,058,213
Factor Arrows
3686,071
Factor Arrows
1936,109

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, 19, 36109

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 19 x 36,109 = 111,143,502

This can also be written as 21 x 34 x 191 x 36,1091 = 111,143,502

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 111,143,502:


Ask a Question