Q: What are the prime factors of the number 231,142,068?

 A: 2, 3, 19, 181, 1867

Why are those the prime factors of the number 231,142,068?

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 231,142,068

231,142,068
Factor Arrows
2115,571,034
Factor Arrows
257,785,517
Factor Arrows
319,261,839
Factor Arrows
36,420,613
Factor Arrows
19337,927
Factor Arrows
1811,867

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, 181, 1867

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 19 x 181 x 1,867 = 231,142,068

This can also be written as 22 x 32 x 191 x 1811 x 1,8671 = 231,142,068

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 231,142,068:


Ask a Question