Q: What are the prime factors of the number 726,464?

 A: 2, 11351

Why are those the prime factors of the number 726,464?

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 726,464

726,464
Factor Arrows
2363,232
Factor Arrows
2181,616
Factor Arrows
290,808
Factor Arrows
245,404
Factor Arrows
222,702
Factor Arrows
211,351

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, 11351

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 11,351 = 726,464

This can also be written as 26 x 11,3511 = 726,464

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


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