Q: What are the prime factors of the number 404,151,312?

 A: 2, 3, 71, 118589

Why are those the prime factors of the number 404,151,312?

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 404,151,312

404,151,312
Factor Arrows
2202,075,656
Factor Arrows
2101,037,828
Factor Arrows
250,518,914
Factor Arrows
225,259,457
Factor Arrows
38,419,819
Factor Arrows
71118,589

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, 71, 118589

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 71 x 118,589 = 404,151,312

This can also be written as 24 x 31 x 711 x 118,5891 = 404,151,312

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


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