Q: What are the prime factors of the number 12,939,300?

 A: 2, 3, 5, 11, 1307

Why are those the prime factors of the number 12,939,300?

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 12,939,300

12,939,300
Factor Arrows
26,469,650
Factor Arrows
23,234,825
Factor Arrows
31,078,275
Factor Arrows
3359,425
Factor Arrows
571,885
Factor Arrows
514,377
Factor Arrows
111,307

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, 5, 11, 1307

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 5 x 11 x 1,307 = 12,939,300

This can also be written as 22 x 32 x 52 x 111 x 1,3071 = 12,939,300

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 12,939,300:


Ask a Question