Q: What are the prime factors of the number 223,111,042?

 A: 2, 7, 11, 113, 12821

Why are those the prime factors of the number 223,111,042?

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 223,111,042

223,111,042
Factor Arrows
2111,555,521
Factor Arrows
715,936,503
Factor Arrows
111,448,773
Factor Arrows
11312,821

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, 11, 113, 12821

We can check our work by multiplying all of the prime factors together: 2 x 7 x 11 x 113 x 12,821 = 223,111,042

This can also be written as 21 x 71 x 111 x 1131 x 12,8211 = 223,111,042

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 223,111,042:


Ask a Question