Q: What are the prime factors of the number 352,016?

 A: 2, 7, 449

Why are those the prime factors of the number 352,016?

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 352,016

352,016
Factor Arrows
2176,008
Factor Arrows
288,004
Factor Arrows
244,002
Factor Arrows
222,001
Factor Arrows
73,143
Factor Arrows
7449

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, 7, 449

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 7 x 449 = 352,016

This can also be written as 24 x 72 x 4491 = 352,016

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


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