Q: What are the prime factors of the number 3,723,165?

 A: 3, 5, 29, 317

Why are those the prime factors of the number 3,723,165?

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 3,723,165

3,723,165
Factor Arrows
31,241,055
Factor Arrows
3413,685
Factor Arrows
3137,895
Factor Arrows
345,965
Factor Arrows
59,193
Factor Arrows
29317

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, 29, 317

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 5 x 29 x 317 = 3,723,165

This can also be written as 34 x 51 x 291 x 3171 = 3,723,165

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


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