Q: What are the prime factors of the number 210,223,233?

 A: 3, 11, 29, 37, 1979

Why are those the prime factors of the number 210,223,233?

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 210,223,233

210,223,233
Factor Arrows
370,074,411
Factor Arrows
323,358,137
Factor Arrows
112,123,467
Factor Arrows
2973,223
Factor Arrows
371,979

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:

3, 11, 29, 37, 1979

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 29 x 37 x 1,979 = 210,223,233

This can also be written as 32 x 111 x 291 x 371 x 1,9791 = 210,223,233

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


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