Q: What are the prime factors of the number 123,230,120?

 A: 2, 5, 13, 236981

Why are those the prime factors of the number 123,230,120?

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 123,230,120

123,230,120
Factor Arrows
261,615,060
Factor Arrows
230,807,530
Factor Arrows
215,403,765
Factor Arrows
53,080,753
Factor Arrows
13236,981

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, 5, 13, 236981

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 13 x 236,981 = 123,230,120

This can also be written as 23 x 51 x 131 x 236,9811 = 123,230,120

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 123,230,120:


Ask a Question