Q: What are the prime factors of the number 1,406,016?

 A: 2, 3, 2441

Why are those the prime factors of the number 1,406,016?

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 1,406,016

1,406,016
Factor Arrows
2703,008
Factor Arrows
2351,504
Factor Arrows
2175,752
Factor Arrows
287,876
Factor Arrows
243,938
Factor Arrows
221,969
Factor Arrows
37,323
Factor Arrows
32,441

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, 2441

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 3 x 3 x 2,441 = 1,406,016

This can also be written as 26 x 32 x 2,4411 = 1,406,016

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


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