Q: What are the prime factors of the number 458,496?

 A: 2, 3, 199

Why are those the prime factors of the number 458,496?

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 458,496

458,496
Factor Arrows
2229,248
Factor Arrows
2114,624
Factor Arrows
257,312
Factor Arrows
228,656
Factor Arrows
214,328
Factor Arrows
27,164
Factor Arrows
23,582
Factor Arrows
21,791
Factor Arrows
3597
Factor Arrows
3199

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, 199

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 2 x 3 x 3 x 199 = 458,496

This can also be written as 28 x 32 x 1991 = 458,496

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


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