Q: What are the prime factors of the number 538,635,663?

 A: 3, 6649823

Why are those the prime factors of the number 538,635,663?

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 538,635,663

538,635,663
Factor Arrows
3179,545,221
Factor Arrows
359,848,407
Factor Arrows
319,949,469
Factor Arrows
36,649,823

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:

3, 6649823

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 6,649,823 = 538,635,663

This can also be written as 34 x 6,649,8231 = 538,635,663

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


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