Q: What are the prime factors of the number 569,728?

 A: 2, 4451

Why are those the prime factors of the number 569,728?

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 569,728

569,728
Factor Arrows
2284,864
Factor Arrows
2142,432
Factor Arrows
271,216
Factor Arrows
235,608
Factor Arrows
217,804
Factor Arrows
28,902
Factor Arrows
24,451

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, 4451

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 4,451 = 569,728

This can also be written as 27 x 4,4511 = 569,728

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


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