Q: What are the prime factors of the number 983,664?

 A: 2, 3, 11, 23

Why are those the prime factors of the number 983,664?

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 983,664

983,664
Factor Arrows
2491,832
Factor Arrows
2245,916
Factor Arrows
2122,958
Factor Arrows
261,479
Factor Arrows
320,493
Factor Arrows
36,831
Factor Arrows
32,277
Factor Arrows
3759
Factor Arrows
3253
Factor Arrows
1123

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, 11, 23

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 3 x 3 x 11 x 23 = 983,664

This can also be written as 24 x 35 x 111 x 231 = 983,664

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


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