Q: What are the prime factors of the number 14,008,140?

 A: 2, 3, 5, 8647

Why are those the prime factors of the number 14,008,140?

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 14,008,140

14,008,140
Factor Arrows
27,004,070
Factor Arrows
23,502,035
Factor Arrows
31,167,345
Factor Arrows
3389,115
Factor Arrows
3129,705
Factor Arrows
343,235
Factor Arrows
58,647

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:

2, 3, 5, 8647

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 5 x 8,647 = 14,008,140

This can also be written as 22 x 34 x 51 x 8,6471 = 14,008,140

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


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