Q: What are the prime factors of the number 894,144?

 A: 2, 3, 4657

Why are those the prime factors of the number 894,144?

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 894,144

894,144
Factor Arrows
2447,072
Factor Arrows
2223,536
Factor Arrows
2111,768
Factor Arrows
255,884
Factor Arrows
227,942
Factor Arrows
213,971
Factor Arrows
34,657

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, 4657

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 3 x 4,657 = 894,144

This can also be written as 26 x 31 x 4,6571 = 894,144

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


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