Q: What are the prime factors of the number 890,928?

 A: 2, 3, 23, 269

Why are those the prime factors of the number 890,928?

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 890,928

890,928
Factor Arrows
2445,464
Factor Arrows
2222,732
Factor Arrows
2111,366
Factor Arrows
255,683
Factor Arrows
318,561
Factor Arrows
36,187
Factor Arrows
23269

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, 23, 269

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 23 x 269 = 890,928

This can also be written as 24 x 32 x 231 x 2691 = 890,928

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


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