Q: What are the prime factors of the number 718,592?

 A: 2, 7, 401

Why are those the prime factors of the number 718,592?

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 718,592

718,592
Factor Arrows
2359,296
Factor Arrows
2179,648
Factor Arrows
289,824
Factor Arrows
244,912
Factor Arrows
222,456
Factor Arrows
211,228
Factor Arrows
25,614
Factor Arrows
22,807
Factor Arrows
7401

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, 401

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 7 x 401 = 718,592

This can also be written as 28 x 71 x 4011 = 718,592

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


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