Q: What are the prime factors of the number 217,157,014?

 A: 2, 17, 47, 135893

Why are those the prime factors of the number 217,157,014?

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 217,157,014

217,157,014
Factor Arrows
2108,578,507
Factor Arrows
176,386,971
Factor Arrows
47135,893

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, 17, 47, 135893

We can check our work by multiplying all of the prime factors together: 2 x 17 x 47 x 135,893 = 217,157,014

This can also be written as 21 x 171 x 471 x 135,8931 = 217,157,014

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


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