Q: What are the prime factors of the number 12,126,324?

 A: 2, 3, 7, 41, 503

Why are those the prime factors of the number 12,126,324?

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 12,126,324

12,126,324
Factor Arrows
26,063,162
Factor Arrows
23,031,581
Factor Arrows
31,010,527
Factor Arrows
7144,361
Factor Arrows
720,623
Factor Arrows
41503

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, 7, 41, 503

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 7 x 41 x 503 = 12,126,324

This can also be written as 22 x 31 x 72 x 411 x 5031 = 12,126,324

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 12,126,324:


Ask a Question