Q: What are the prime factors of the number 12,145,136?

 A: 2, 271, 2801

Why are those the prime factors of the number 12,145,136?

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 12,145,136

12,145,136
Factor Arrows
26,072,568
Factor Arrows
23,036,284
Factor Arrows
21,518,142
Factor Arrows
2759,071
Factor Arrows
2712,801

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, 271, 2801

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 271 x 2,801 = 12,145,136

This can also be written as 24 x 2711 x 2,8011 = 12,145,136

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 12,145,136:


Ask a Question