Q: What are the prime factors of the number 404,354,232?

 A: 2, 3, 79, 71089

Why are those the prime factors of the number 404,354,232?

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 404,354,232

404,354,232
Factor Arrows
2202,177,116
Factor Arrows
2101,088,558
Factor Arrows
250,544,279
Factor Arrows
316,848,093
Factor Arrows
35,616,031
Factor Arrows
7971,089

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, 79, 71089

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 79 x 71,089 = 404,354,232

This can also be written as 23 x 32 x 791 x 71,0891 = 404,354,232

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


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