Q: What are the prime factors of the number 863,028?

 A: 2, 3, 61, 131

Why are those the prime factors of the number 863,028?

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 863,028

863,028
Factor Arrows
2431,514
Factor Arrows
2215,757
Factor Arrows
371,919
Factor Arrows
323,973
Factor Arrows
37,991
Factor Arrows
61131

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, 61, 131

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 61 x 131 = 863,028

This can also be written as 22 x 33 x 611 x 1311 = 863,028

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


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