Q: What are the prime factors of the number 14,016,646?

 A: 2, 7, 157, 911

Why are those the prime factors of the number 14,016,646?

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 14,016,646

14,016,646
Factor Arrows
27,008,323
Factor Arrows
71,001,189
Factor Arrows
7143,027
Factor Arrows
157911

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, 157, 911

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 157 x 911 = 14,016,646

This can also be written as 21 x 72 x 1571 x 9111 = 14,016,646

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


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