Q: What are the prime factors of the number 727,392?

 A: 2, 3, 7577

Why are those the prime factors of the number 727,392?

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 727,392

727,392
Factor Arrows
2363,696
Factor Arrows
2181,848
Factor Arrows
290,924
Factor Arrows
245,462
Factor Arrows
222,731
Factor Arrows
37,577

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, 7577

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 7,577 = 727,392

This can also be written as 25 x 31 x 7,5771 = 727,392

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


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