Q: What are the prime factors of the number 901,173?

 A: 3, 7, 13, 3301

Why are those the prime factors of the number 901,173?

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 901,173

901,173
Factor Arrows
3300,391
Factor Arrows
742,913
Factor Arrows
133,301

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, 7, 13, 3301

We can check our work by multiplying all of the prime factors together: 3 x 7 x 13 x 3,301 = 901,173

This can also be written as 31 x 71 x 131 x 3,3011 = 901,173

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


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