Q: What are the prime factors of the number 17,568?

 A: 2, 3, 61

Why are those the prime factors of the number 17,568?

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 17,568

17,568
Factor Arrows
28,784
Factor Arrows
24,392
Factor Arrows
22,196
Factor Arrows
21,098
Factor Arrows
2549
Factor Arrows
3183
Factor Arrows
361

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, 61

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 61 = 17,568

This can also be written as 25 x 32 x 611 = 17,568

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


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