Q: What are the prime factors of the number 1,354,016?

 A: 2, 17, 19, 131

Why are those the prime factors of the number 1,354,016?

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 1,354,016

1,354,016
Factor Arrows
2677,008
Factor Arrows
2338,504
Factor Arrows
2169,252
Factor Arrows
284,626
Factor Arrows
242,313
Factor Arrows
172,489
Factor Arrows
19131

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, 17, 19, 131

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 19 x 131 = 1,354,016

This can also be written as 25 x 171 x 191 x 1311 = 1,354,016

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


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