Q: What are the prime factors of the number 989,066?

 A: 2, 13, 109, 349

Why are those the prime factors of the number 989,066?

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 989,066

989,066
Factor Arrows
2494,533
Factor Arrows
1338,041
Factor Arrows
109349

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, 13, 109, 349

We can check our work by multiplying all of the prime factors together: 2 x 13 x 109 x 349 = 989,066

This can also be written as 21 x 131 x 1091 x 3491 = 989,066

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


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