Q: What are the prime factors of the number 3,407,625?

 A: 3, 5, 13, 233

Why are those the prime factors of the number 3,407,625?

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 3,407,625

3,407,625
Factor Arrows
31,135,875
Factor Arrows
3378,625
Factor Arrows
575,725
Factor Arrows
515,145
Factor Arrows
53,029
Factor Arrows
13233

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, 13, 233

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 5 x 13 x 233 = 3,407,625

This can also be written as 32 x 53 x 131 x 2331 = 3,407,625

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


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