Q: What are the prime factors of the number 13,133,372?

 A: 2, 7, 37, 1811

Why are those the prime factors of the number 13,133,372?

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 13,133,372

13,133,372
Factor Arrows
26,566,686
Factor Arrows
23,283,343
Factor Arrows
7469,049
Factor Arrows
767,007
Factor Arrows
371,811

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, 37, 1811

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 37 x 1,811 = 13,133,372

This can also be written as 22 x 72 x 371 x 1,8111 = 13,133,372

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 13,133,372:


Ask a Question