Q: What are the prime factors of the number 587,456?

 A: 2, 67, 137

Why are those the prime factors of the number 587,456?

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 587,456

587,456
Factor Arrows
2293,728
Factor Arrows
2146,864
Factor Arrows
273,432
Factor Arrows
236,716
Factor Arrows
218,358
Factor Arrows
29,179
Factor Arrows
67137

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, 67, 137

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 67 x 137 = 587,456

This can also be written as 26 x 671 x 1371 = 587,456

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


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