Q: What are the prime factors of the number 12,530,644?

 A: 2, 7, 421, 1063

Why are those the prime factors of the number 12,530,644?

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 12,530,644

12,530,644
Factor Arrows
26,265,322
Factor Arrows
23,132,661
Factor Arrows
7447,523
Factor Arrows
4211,063

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, 7, 421, 1063

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 421 x 1,063 = 12,530,644

This can also be written as 22 x 71 x 4211 x 1,0631 = 12,530,644

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 12,530,644:


Ask a Question