Q: What are the prime factors of the number 634,068?

 A: 2, 3, 19, 103

Why are those the prime factors of the number 634,068?

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 634,068

634,068
Factor Arrows
2317,034
Factor Arrows
2158,517
Factor Arrows
352,839
Factor Arrows
317,613
Factor Arrows
35,871
Factor Arrows
31,957
Factor Arrows
19103

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, 19, 103

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 19 x 103 = 634,068

This can also be written as 22 x 34 x 191 x 1031 = 634,068

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


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