Q: What are the prime factors of the number 634,230?

 A: 2, 3, 5, 29

Why are those the prime factors of the number 634,230?

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 634,230

634,230
Factor Arrows
2317,115
Factor Arrows
3105,705
Factor Arrows
335,235
Factor Arrows
311,745
Factor Arrows
33,915
Factor Arrows
31,305
Factor Arrows
3435
Factor Arrows
3145
Factor Arrows
529

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, 29

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 3 x 5 x 29 = 634,230

This can also be written as 21 x 37 x 51 x 291 = 634,230

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


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