Q: What are the prime factors of the number 346,816?

 A: 2, 5419

Why are those the prime factors of the number 346,816?

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 346,816

346,816
Factor Arrows
2173,408
Factor Arrows
286,704
Factor Arrows
243,352
Factor Arrows
221,676
Factor Arrows
210,838
Factor Arrows
25,419

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, 5419

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 5,419 = 346,816

This can also be written as 26 x 5,4191 = 346,816

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


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