Q: What are the prime factors of the number 481,453,173?

 A: 3, 857, 20807

Why are those the prime factors of the number 481,453,173?

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 481,453,173

481,453,173
Factor Arrows
3160,484,391
Factor Arrows
353,494,797
Factor Arrows
317,831,599
Factor Arrows
85720,807

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, 857, 20807

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 857 x 20,807 = 481,453,173

This can also be written as 33 x 8571 x 20,8071 = 481,453,173

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


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