Q: What are the prime factors of the number 12,231,380?

 A: 2, 5, 7, 1783

Why are those the prime factors of the number 12,231,380?

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 12,231,380

12,231,380
Factor Arrows
26,115,690
Factor Arrows
23,057,845
Factor Arrows
5611,569
Factor Arrows
787,367
Factor Arrows
712,481
Factor Arrows
71,783

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, 5, 7, 1783

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 7 x 7 x 1,783 = 12,231,380

This can also be written as 22 x 51 x 73 x 1,7831 = 12,231,380

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 12,231,380:


Ask a Question