Q: What are the prime factors of the number 605,070?

 A: 2, 3, 5, 83

Why are those the prime factors of the number 605,070?

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 605,070

605,070
Factor Arrows
2302,535
Factor Arrows
3100,845
Factor Arrows
333,615
Factor Arrows
311,205
Factor Arrows
33,735
Factor Arrows
31,245
Factor Arrows
3415
Factor Arrows
583

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, 5, 83

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 5 x 83 = 605,070

This can also be written as 21 x 36 x 51 x 831 = 605,070

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


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