Q: What are the prime factors of the number 212,875?

 A: 5, 13, 131

Why are those the prime factors of the number 212,875?

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 212,875

212,875
Factor Arrows
542,575
Factor Arrows
58,515
Factor Arrows
51,703
Factor Arrows
13131

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:

5, 13, 131

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 13 x 131 = 212,875

This can also be written as 53 x 131 x 1311 = 212,875

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


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