Q: What are the prime factors of the number 563,400?

 A: 2, 3, 5, 313

Why are those the prime factors of the number 563,400?

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 563,400

563,400
Factor Arrows
2281,700
Factor Arrows
2140,850
Factor Arrows
270,425
Factor Arrows
323,475
Factor Arrows
37,825
Factor Arrows
51,565
Factor Arrows
5313

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, 313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 5 x 313 = 563,400

This can also be written as 23 x 32 x 52 x 3131 = 563,400

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


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