Q: What are the prime factors of the number 460,180?

 A: 2, 5, 7, 19, 173

Why are those the prime factors of the number 460,180?

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 460,180

460,180
Factor Arrows
2230,090
Factor Arrows
2115,045
Factor Arrows
523,009
Factor Arrows
73,287
Factor Arrows
19173

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, 5, 7, 19, 173

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 19 x 173 = 460,180

This can also be written as 22 x 51 x 71 x 191 x 1731 = 460,180

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


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