Q: What are the prime factors of the number 558,216?

 A: 2, 3, 7753

Why are those the prime factors of the number 558,216?

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 558,216

558,216
Factor Arrows
2279,108
Factor Arrows
2139,554
Factor Arrows
269,777
Factor Arrows
323,259
Factor Arrows
37,753

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, 7753

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7,753 = 558,216

This can also be written as 23 x 32 x 7,7531 = 558,216

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


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