Q: What are the prime factors of the number 406,304,704?

 A: 2, 13, 488347

Why are those the prime factors of the number 406,304,704?

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 406,304,704

406,304,704
Factor Arrows
2203,152,352
Factor Arrows
2101,576,176
Factor Arrows
250,788,088
Factor Arrows
225,394,044
Factor Arrows
212,697,022
Factor Arrows
26,348,511
Factor Arrows
13488,347

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, 13, 488347

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 13 x 488,347 = 406,304,704

This can also be written as 26 x 131 x 488,3471 = 406,304,704

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


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