Q: What are the prime factors of the number 14,102,144?

 A: 2, 7, 15739

Why are those the prime factors of the number 14,102,144?

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 14,102,144

14,102,144
Factor Arrows
27,051,072
Factor Arrows
23,525,536
Factor Arrows
21,762,768
Factor Arrows
2881,384
Factor Arrows
2440,692
Factor Arrows
2220,346
Factor Arrows
2110,173
Factor Arrows
715,739

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, 15739

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 2 x 7 x 15,739 = 14,102,144

This can also be written as 27 x 71 x 15,7391 = 14,102,144

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


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