Q: What are the prime factors of the number 13,320,265?

 A: 5, 7, 17, 61, 367

Why are those the prime factors of the number 13,320,265?

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 13,320,265

13,320,265
Factor Arrows
52,664,053
Factor Arrows
7380,579
Factor Arrows
1722,387
Factor Arrows
61367

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:

5, 7, 17, 61, 367

We can check our work by multiplying all of the prime factors together: 5 x 7 x 17 x 61 x 367 = 13,320,265

This can also be written as 51 x 71 x 171 x 611 x 3671 = 13,320,265

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


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