Q: What are the prime factors of the number 212,508?

 A: 2, 3, 5903

Why are those the prime factors of the number 212,508?

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 212,508

212,508
Factor Arrows
2106,254
Factor Arrows
253,127
Factor Arrows
317,709
Factor Arrows
35,903

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, 5903

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5,903 = 212,508

This can also be written as 22 x 32 x 5,9031 = 212,508

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


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