Q: What are the prime factors of the number 234,090?

 A: 2, 3, 5, 17

Why are those the prime factors of the number 234,090?

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 234,090

234,090
Factor Arrows
2117,045
Factor Arrows
339,015
Factor Arrows
313,005
Factor Arrows
34,335
Factor Arrows
31,445
Factor Arrows
5289
Factor Arrows
1717

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, 17

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 5 x 17 x 17 = 234,090

This can also be written as 21 x 34 x 51 x 172 = 234,090

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


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