Q: What are the prime factors of the number 985,392?

 A: 2, 3, 2281

Why are those the prime factors of the number 985,392?

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 985,392

985,392
Factor Arrows
2492,696
Factor Arrows
2246,348
Factor Arrows
2123,174
Factor Arrows
261,587
Factor Arrows
320,529
Factor Arrows
36,843
Factor Arrows
32,281

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, 2281

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 2,281 = 985,392

This can also be written as 24 x 33 x 2,2811 = 985,392

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


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