Q: What are the prime factors of the number 574,304?

 A: 2, 131, 137

Why are those the prime factors of the number 574,304?

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 574,304

574,304
Factor Arrows
2287,152
Factor Arrows
2143,576
Factor Arrows
271,788
Factor Arrows
235,894
Factor Arrows
217,947
Factor Arrows
131137

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, 131, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 131 x 137 = 574,304

This can also be written as 25 x 1311 x 1371 = 574,304

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


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