Q: What are the prime factors of the number 123,311,232?

 A: 2, 3, 11, 37, 263

Why are those the prime factors of the number 123,311,232?

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 123,311,232

123,311,232
Factor Arrows
261,655,616
Factor Arrows
230,827,808
Factor Arrows
215,413,904
Factor Arrows
27,706,952
Factor Arrows
23,853,476
Factor Arrows
21,926,738
Factor Arrows
2963,369
Factor Arrows
3321,123
Factor Arrows
3107,041
Factor Arrows
119,731
Factor Arrows
37263

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, 11, 37, 263

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 11 x 37 x 263 = 123,311,232

This can also be written as 27 x 32 x 111 x 371 x 2631 = 123,311,232

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 123,311,232:


Ask a Question