Q: What are the prime factors of the number 14,580,391?

 A: 7, 19, 15661

Why are those the prime factors of the number 14,580,391?

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 14,580,391

14,580,391
Factor Arrows
72,082,913
Factor Arrows
7297,559
Factor Arrows
1915,661

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:

7, 19, 15661

We can check our work by multiplying all of the prime factors together: 7 x 7 x 19 x 15,661 = 14,580,391

This can also be written as 72 x 191 x 15,6611 = 14,580,391

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


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