Q: What are the prime factors of the number 561,648?

 A: 2, 3, 11701

Why are those the prime factors of the number 561,648?

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 561,648

561,648
Factor Arrows
2280,824
Factor Arrows
2140,412
Factor Arrows
270,206
Factor Arrows
235,103
Factor Arrows
311,701

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, 11701

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 11,701 = 561,648

This can also be written as 24 x 31 x 11,7011 = 561,648

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


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