Q: What are the prime factors of the number 217,112,511?

 A: 3, 7, 11, 939881

Why are those the prime factors of the number 217,112,511?

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 217,112,511

217,112,511
Factor Arrows
372,370,837
Factor Arrows
710,338,691
Factor Arrows
11939,881

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, 7, 11, 939881

We can check our work by multiplying all of the prime factors together: 3 x 7 x 11 x 939,881 = 217,112,511

This can also be written as 31 x 71 x 111 x 939,8811 = 217,112,511

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


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