Q: What are the prime factors of the number 982,016?

 A: 2, 7, 137

Why are those the prime factors of the number 982,016?

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 982,016

982,016
Factor Arrows
2491,008
Factor Arrows
2245,504
Factor Arrows
2122,752
Factor Arrows
261,376
Factor Arrows
230,688
Factor Arrows
215,344
Factor Arrows
27,672
Factor Arrows
23,836
Factor Arrows
21,918
Factor Arrows
2959
Factor Arrows
7137

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, 7, 137

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 2 x 2 x 2 x 7 x 137 = 982,016

This can also be written as 210 x 71 x 1371 = 982,016

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


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