Q: What are the prime factors of the number 497,792?

 A: 2, 3889

Why are those the prime factors of the number 497,792?

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 497,792

497,792
Factor Arrows
2248,896
Factor Arrows
2124,448
Factor Arrows
262,224
Factor Arrows
231,112
Factor Arrows
215,556
Factor Arrows
27,778
Factor Arrows
23,889

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, 3889

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 3,889 = 497,792

This can also be written as 27 x 3,8891 = 497,792

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


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