Q: What are the prime factors of the number 406,116,304?

 A: 2, 11, 2307479

Why are those the prime factors of the number 406,116,304?

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 406,116,304

406,116,304
Factor Arrows
2203,058,152
Factor Arrows
2101,529,076
Factor Arrows
250,764,538
Factor Arrows
225,382,269
Factor Arrows
112,307,479

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, 11, 2307479

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 2,307,479 = 406,116,304

This can also be written as 24 x 111 x 2,307,4791 = 406,116,304

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


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