Q: What are the prime factors of the number 441,090?

 A: 2, 3, 5, 13, 29

Why are those the prime factors of the number 441,090?

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 441,090

441,090
Factor Arrows
2220,545
Factor Arrows
373,515
Factor Arrows
324,505
Factor Arrows
54,901
Factor Arrows
13377
Factor Arrows
1329

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, 5, 13, 29

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 13 x 13 x 29 = 441,090

This can also be written as 21 x 32 x 51 x 132 x 291 = 441,090

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


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