Q: What are the prime factors of the number 404,162,432?

 A: 2, 619, 5101

Why are those the prime factors of the number 404,162,432?

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 404,162,432

404,162,432
Factor Arrows
2202,081,216
Factor Arrows
2101,040,608
Factor Arrows
250,520,304
Factor Arrows
225,260,152
Factor Arrows
212,630,076
Factor Arrows
26,315,038
Factor Arrows
23,157,519
Factor Arrows
6195,101

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, 619, 5101

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 2 x 619 x 5,101 = 404,162,432

This can also be written as 27 x 6191 x 5,1011 = 404,162,432

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


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