Q: What are the prime factors of the number 891,033?

 A: 3, 11, 13, 31, 67

Why are those the prime factors of the number 891,033?

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 891,033

891,033
Factor Arrows
3297,011
Factor Arrows
1127,001
Factor Arrows
132,077
Factor Arrows
3167

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:

3, 11, 13, 31, 67

We can check our work by multiplying all of the prime factors together: 3 x 11 x 13 x 31 x 67 = 891,033

This can also be written as 31 x 111 x 131 x 311 x 671 = 891,033

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


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