Q: What are the prime factors of the number 633,906?

 A: 2, 3, 7, 13, 43

Why are those the prime factors of the number 633,906?

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 633,906

633,906
Factor Arrows
2316,953
Factor Arrows
3105,651
Factor Arrows
335,217
Factor Arrows
311,739
Factor Arrows
33,913
Factor Arrows
7559
Factor Arrows
1343

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, 7, 13, 43

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 7 x 13 x 43 = 633,906

This can also be written as 21 x 34 x 71 x 131 x 431 = 633,906

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


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