Q: What are the prime factors of the number 210,133,332?

 A: 2, 3, 547, 3557

Why are those the prime factors of the number 210,133,332?

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 210,133,332

210,133,332
Factor Arrows
2105,066,666
Factor Arrows
252,533,333
Factor Arrows
317,511,111
Factor Arrows
35,837,037
Factor Arrows
31,945,679
Factor Arrows
5473,557

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, 547, 3557

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 547 x 3,557 = 210,133,332

This can also be written as 22 x 33 x 5471 x 3,5571 = 210,133,332

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


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