Q: What are the prime factors of the number 14,251,328?

 A: 2, 7, 13, 2447

Why are those the prime factors of the number 14,251,328?

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 14,251,328

14,251,328
Factor Arrows
27,125,664
Factor Arrows
23,562,832
Factor Arrows
21,781,416
Factor Arrows
2890,708
Factor Arrows
2445,354
Factor Arrows
2222,677
Factor Arrows
731,811
Factor Arrows
132,447

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, 7, 13, 2447

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 7 x 13 x 2,447 = 14,251,328

This can also be written as 26 x 71 x 131 x 2,4471 = 14,251,328

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


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