Q: What are the prime factors of the number 205,635,768?

 A: 2, 3, 13, 59, 11171

Why are those the prime factors of the number 205,635,768?

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 205,635,768

205,635,768
Factor Arrows
2102,817,884
Factor Arrows
251,408,942
Factor Arrows
225,704,471
Factor Arrows
38,568,157
Factor Arrows
13659,089
Factor Arrows
5911,171

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, 13, 59, 11171

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 13 x 59 x 11,171 = 205,635,768

This can also be written as 23 x 31 x 131 x 591 x 11,1711 = 205,635,768

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


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