Q: What are the prime factors of the number 231,042,042?

 A: 2, 3, 7, 11, 89, 1873

Why are those the prime factors of the number 231,042,042?

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 231,042,042

231,042,042
Factor Arrows
2115,521,021
Factor Arrows
338,507,007
Factor Arrows
312,835,669
Factor Arrows
71,833,667
Factor Arrows
11166,697
Factor Arrows
891,873

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, 7, 11, 89, 1873

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 11 x 89 x 1,873 = 231,042,042

This can also be written as 21 x 32 x 71 x 111 x 891 x 1,8731 = 231,042,042

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 231,042,042:


Ask a Question