Q: What are the prime factors of the number 13,233,225?

 A: 3, 5, 17, 97, 107

Why are those the prime factors of the number 13,233,225?

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 13,233,225

13,233,225
Factor Arrows
34,411,075
Factor Arrows
5882,215
Factor Arrows
5176,443
Factor Arrows
1710,379
Factor Arrows
97107

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:

3, 5, 17, 97, 107

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 17 x 97 x 107 = 13,233,225

This can also be written as 31 x 52 x 171 x 971 x 1071 = 13,233,225

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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