Q: What are the prime factors of the number 346,031,616?

 A: 2, 3, 7, 32183

Why are those the prime factors of the number 346,031,616?

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 346,031,616

346,031,616
Factor Arrows
2173,015,808
Factor Arrows
286,507,904
Factor Arrows
243,253,952
Factor Arrows
221,626,976
Factor Arrows
210,813,488
Factor Arrows
25,406,744
Factor Arrows
22,703,372
Factor Arrows
21,351,686
Factor Arrows
2675,843
Factor Arrows
3225,281
Factor Arrows
732,183

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, 7, 32183

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 2 x 2 x 3 x 7 x 32,183 = 346,031,616

This can also be written as 29 x 31 x 71 x 32,1831 = 346,031,616

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


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