Q: What are the prime factors of the number 131,144,130?

 A: 2, 3, 5, 13, 37363

Why are those the prime factors of the number 131,144,130?

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 131,144,130

131,144,130
Factor Arrows
265,572,065
Factor Arrows
321,857,355
Factor Arrows
37,285,785
Factor Arrows
32,428,595
Factor Arrows
5485,719
Factor Arrows
1337,363

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, 5, 13, 37363

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 13 x 37,363 = 131,144,130

This can also be written as 21 x 33 x 51 x 131 x 37,3631 = 131,144,130

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 131,144,130:


Ask a Question