Q: What are the prime factors of the number 173,471,256?

 A: 2, 3, 7, 344189

Why are those the prime factors of the number 173,471,256?

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 173,471,256

173,471,256
Factor Arrows
286,735,628
Factor Arrows
243,367,814
Factor Arrows
221,683,907
Factor Arrows
37,227,969
Factor Arrows
32,409,323
Factor Arrows
7344,189

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, 7, 344189

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 344,189 = 173,471,256

This can also be written as 23 x 32 x 71 x 344,1891 = 173,471,256

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


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