Q: What are the prime factors of the number 203,143,212?

 A: 2, 3, 19, 47, 71, 89

Why are those the prime factors of the number 203,143,212?

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 203,143,212

203,143,212
Factor Arrows
2101,571,606
Factor Arrows
250,785,803
Factor Arrows
316,928,601
Factor Arrows
35,642,867
Factor Arrows
19296,993
Factor Arrows
476,319
Factor Arrows
7189

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, 19, 47, 71, 89

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 19 x 47 x 71 x 89 = 203,143,212

This can also be written as 22 x 32 x 191 x 471 x 711 x 891 = 203,143,212

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


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