Q: What are the prime factors of the number 404,110,224?

 A: 2, 3, 7, 400903

Why are those the prime factors of the number 404,110,224?

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 404,110,224

404,110,224
Factor Arrows
2202,055,112
Factor Arrows
2101,027,556
Factor Arrows
250,513,778
Factor Arrows
225,256,889
Factor Arrows
38,418,963
Factor Arrows
32,806,321
Factor Arrows
7400,903

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, 400903

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 7 x 400,903 = 404,110,224

This can also be written as 24 x 32 x 71 x 400,9031 = 404,110,224

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


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