Q: What are the prime factors of the number 983,628?

 A: 2, 3, 89, 307

Why are those the prime factors of the number 983,628?

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 983,628

983,628
Factor Arrows
2491,814
Factor Arrows
2245,907
Factor Arrows
381,969
Factor Arrows
327,323
Factor Arrows
89307

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, 89, 307

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 89 x 307 = 983,628

This can also be written as 22 x 32 x 891 x 3071 = 983,628

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


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