Q: What are the prime factors of the number 13,230,000?

 A: 2, 3, 5, 7

Why are those the prime factors of the number 13,230,000?

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 13,230,000

13,230,000
Factor Arrows
26,615,000
Factor Arrows
23,307,500
Factor Arrows
21,653,750
Factor Arrows
2826,875
Factor Arrows
3275,625
Factor Arrows
391,875
Factor Arrows
330,625
Factor Arrows
56,125
Factor Arrows
51,225
Factor Arrows
5245
Factor Arrows
549
Factor Arrows
77

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, 7

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 5 x 5 x 5 x 7 x 7 = 13,230,000

This can also be written as 24 x 33 x 54 x 72 = 13,230,000

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 13,230,000:


Ask a Question