Q: What are the prime factors of the number 404,213,424?

 A: 2, 3, 41, 293, 701

Why are those the prime factors of the number 404,213,424?

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 404,213,424

404,213,424
Factor Arrows
2202,106,712
Factor Arrows
2101,053,356
Factor Arrows
250,526,678
Factor Arrows
225,263,339
Factor Arrows
38,421,113
Factor Arrows
41205,393
Factor Arrows
293701

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, 41, 293, 701

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 41 x 293 x 701 = 404,213,424

This can also be written as 24 x 31 x 411 x 2931 x 7011 = 404,213,424

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


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