Q: What are the prime factors of the number 14,223,825?

 A: 3, 5, 7, 11, 821

Why are those the prime factors of the number 14,223,825?

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 14,223,825

14,223,825
Factor Arrows
34,741,275
Factor Arrows
31,580,425
Factor Arrows
5316,085
Factor Arrows
563,217
Factor Arrows
79,031
Factor Arrows
11821

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, 7, 11, 821

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 7 x 11 x 821 = 14,223,825

This can also be written as 32 x 52 x 71 x 111 x 8211 = 14,223,825

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


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