Q: What are the prime factors of the number 212,201,208?

 A: 2, 3, 17, 6421

Why are those the prime factors of the number 212,201,208?

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 212,201,208

212,201,208
Factor Arrows
2106,100,604
Factor Arrows
253,050,302
Factor Arrows
226,525,151
Factor Arrows
38,841,717
Factor Arrows
32,947,239
Factor Arrows
3982,413
Factor Arrows
3327,471
Factor Arrows
3109,157
Factor Arrows
176,421

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, 17, 6421

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 17 x 6,421 = 212,201,208

This can also be written as 23 x 35 x 171 x 6,4211 = 212,201,208

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


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