Q: What are the prime factors of the number 12,715,945?

 A: 5, 11, 41, 5639

Why are those the prime factors of the number 12,715,945?

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 12,715,945

12,715,945
Factor Arrows
52,543,189
Factor Arrows
11231,199
Factor Arrows
415,639

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:

5, 11, 41, 5639

We can check our work by multiplying all of the prime factors together: 5 x 11 x 41 x 5,639 = 12,715,945

This can also be written as 51 x 111 x 411 x 5,6391 = 12,715,945

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 12,715,945:


Ask a Question