Q: What are the prime factors of the number 213,223,212?

 A: 2, 3, 67, 79, 373

Why are those the prime factors of the number 213,223,212?

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 213,223,212

213,223,212
Factor Arrows
2106,611,606
Factor Arrows
253,305,803
Factor Arrows
317,768,601
Factor Arrows
35,922,867
Factor Arrows
31,974,289
Factor Arrows
6729,467
Factor Arrows
79373

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, 67, 79, 373

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 67 x 79 x 373 = 213,223,212

This can also be written as 22 x 33 x 671 x 791 x 3731 = 213,223,212

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


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