Q: What are the prime factors of the number 211,546,511?

 A: 11, 31, 41, 15131

Why are those the prime factors of the number 211,546,511?

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 211,546,511

211,546,511
Factor Arrows
1119,231,501
Factor Arrows
31620,371
Factor Arrows
4115,131

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:

11, 31, 41, 15131

We can check our work by multiplying all of the prime factors together: 11 x 31 x 41 x 15,131 = 211,546,511

This can also be written as 111 x 311 x 411 x 15,1311 = 211,546,511

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


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