Q: What are the prime factors of the number 985,558?

 A: 2, 7, 17, 41, 101

Why are those the prime factors of the number 985,558?

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 985,558

985,558
Factor Arrows
2492,779
Factor Arrows
770,397
Factor Arrows
174,141
Factor Arrows
41101

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, 7, 17, 41, 101

We can check our work by multiplying all of the prime factors together: 2 x 7 x 17 x 41 x 101 = 985,558

This can also be written as 21 x 71 x 171 x 411 x 1011 = 985,558

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


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