Q: What are the prime factors of the number 906,768?

 A: 2, 3, 2099

Why are those the prime factors of the number 906,768?

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 906,768

906,768
Factor Arrows
2453,384
Factor Arrows
2226,692
Factor Arrows
2113,346
Factor Arrows
256,673
Factor Arrows
318,891
Factor Arrows
36,297
Factor Arrows
32,099

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, 2099

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 2,099 = 906,768

This can also be written as 24 x 33 x 2,0991 = 906,768

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


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